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Description: Lemma for 4at . Combine all three possible cases. (Contributed by NM, 10-Jul-2012)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | 4at.l | |- .<_ = ( le ` K ) |
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| 4at.j | |- .\/ = ( join ` K ) |
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| 4at.a | |- A = ( Atoms ` K ) |
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| Assertion | 4atlem11 | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> ( ( Q .\/ ( R .\/ S ) ) .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) -> ( ( P .\/ Q ) .\/ ( R .\/ S ) ) = ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 4at.l | |- .<_ = ( le ` K ) |
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| 2 | 4at.j | |- .\/ = ( join ` K ) |
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| 3 | 4at.a | |- A = ( Atoms ` K ) |
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| 4 | 3anass | |- ( ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) <-> ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ ( R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) ) |
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| 5 | simpl11 | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> K e. HL ) |
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| 6 | 5 | hllatd | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> K e. Lat ) |
| 7 | simpl2l | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> R e. A ) |
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| 8 | eqid | |- ( Base ` K ) = ( Base ` K ) |
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| 9 | 8 3 | atbase | |- ( R e. A -> R e. ( Base ` K ) ) |
| 10 | 7 9 | syl | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> R e. ( Base ` K ) ) |
| 11 | simpl2r | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> S e. A ) |
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| 12 | 8 3 | atbase | |- ( S e. A -> S e. ( Base ` K ) ) |
| 13 | 11 12 | syl | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> S e. ( Base ` K ) ) |
| 14 | simpl12 | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> P e. A ) |
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| 15 | simpl31 | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> U e. A ) |
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| 16 | 8 2 3 | hlatjcl | |- ( ( K e. HL /\ P e. A /\ U e. A ) -> ( P .\/ U ) e. ( Base ` K ) ) |
| 17 | 5 14 15 16 | syl3anc | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> ( P .\/ U ) e. ( Base ` K ) ) |
| 18 | simpl32 | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> V e. A ) |
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| 19 | simpl33 | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> W e. A ) |
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| 20 | 8 2 3 | hlatjcl | |- ( ( K e. HL /\ V e. A /\ W e. A ) -> ( V .\/ W ) e. ( Base ` K ) ) |
| 21 | 5 18 19 20 | syl3anc | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> ( V .\/ W ) e. ( Base ` K ) ) |
| 22 | 8 2 | latjcl | |- ( ( K e. Lat /\ ( P .\/ U ) e. ( Base ` K ) /\ ( V .\/ W ) e. ( Base ` K ) ) -> ( ( P .\/ U ) .\/ ( V .\/ W ) ) e. ( Base ` K ) ) |
| 23 | 6 17 21 22 | syl3anc | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> ( ( P .\/ U ) .\/ ( V .\/ W ) ) e. ( Base ` K ) ) |
| 24 | 8 1 2 | latjle12 | |- ( ( K e. Lat /\ ( R e. ( Base ` K ) /\ S e. ( Base ` K ) /\ ( ( P .\/ U ) .\/ ( V .\/ W ) ) e. ( Base ` K ) ) ) -> ( ( R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) <-> ( R .\/ S ) .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) |
| 25 | 6 10 13 23 24 | syl13anc | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> ( ( R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) <-> ( R .\/ S ) .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) |
| 26 | 25 | anbi2d | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> ( ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ ( R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) <-> ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ ( R .\/ S ) .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) ) |
| 27 | 4 26 | bitrid | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> ( ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) <-> ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ ( R .\/ S ) .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) ) |
| 28 | simpl13 | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> Q e. A ) |
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| 29 | 8 3 | atbase | |- ( Q e. A -> Q e. ( Base ` K ) ) |
| 30 | 28 29 | syl | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> Q e. ( Base ` K ) ) |
| 31 | 8 2 3 | hlatjcl | |- ( ( K e. HL /\ R e. A /\ S e. A ) -> ( R .\/ S ) e. ( Base ` K ) ) |
| 32 | 5 7 11 31 | syl3anc | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> ( R .\/ S ) e. ( Base ` K ) ) |
| 33 | 8 1 2 | latjle12 | |- ( ( K e. Lat /\ ( Q e. ( Base ` K ) /\ ( R .\/ S ) e. ( Base ` K ) /\ ( ( P .\/ U ) .\/ ( V .\/ W ) ) e. ( Base ` K ) ) ) -> ( ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ ( R .\/ S ) .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) <-> ( Q .\/ ( R .\/ S ) ) .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) |
| 34 | 6 30 32 23 33 | syl13anc | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> ( ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ ( R .\/ S ) .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) <-> ( Q .\/ ( R .\/ S ) ) .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) |
| 35 | 27 34 | bitrd | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> ( ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) <-> ( Q .\/ ( R .\/ S ) ) .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) |
| 36 | simpl1 | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> ( K e. HL /\ P e. A /\ Q e. A ) ) |
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| 37 | simpl2 | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> ( R e. A /\ S e. A ) ) |
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| 38 | 18 19 | jca | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> ( V e. A /\ W e. A ) ) |
| 39 | simpr | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) |
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| 40 | 1 2 3 | 4atlem3a | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> ( -. Q .<_ ( ( P .\/ V ) .\/ W ) \/ -. R .<_ ( ( P .\/ V ) .\/ W ) \/ -. S .<_ ( ( P .\/ V ) .\/ W ) ) ) |
| 41 | 36 37 38 39 40 | syl31anc | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> ( -. Q .<_ ( ( P .\/ V ) .\/ W ) \/ -. R .<_ ( ( P .\/ V ) .\/ W ) \/ -. S .<_ ( ( P .\/ V ) .\/ W ) ) ) |
| 42 | simp1l | |- ( ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) /\ -. Q .<_ ( ( P .\/ V ) .\/ W ) /\ ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) -> ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) ) |
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| 43 | simp1r | |- ( ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) /\ -. Q .<_ ( ( P .\/ V ) .\/ W ) /\ ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) -> ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) |
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| 44 | simp2 | |- ( ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) /\ -. Q .<_ ( ( P .\/ V ) .\/ W ) /\ ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) -> -. Q .<_ ( ( P .\/ V ) .\/ W ) ) |
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| 45 | simp3 | |- ( ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) /\ -. Q .<_ ( ( P .\/ V ) .\/ W ) /\ ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) -> ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) |
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| 46 | 1 2 3 | 4atlem11b | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) /\ -. Q .<_ ( ( P .\/ V ) .\/ W ) ) /\ ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) -> ( ( P .\/ Q ) .\/ ( R .\/ S ) ) = ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) |
| 47 | 42 43 44 45 46 | syl121anc | |- ( ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) /\ -. Q .<_ ( ( P .\/ V ) .\/ W ) /\ ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) -> ( ( P .\/ Q ) .\/ ( R .\/ S ) ) = ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) |
| 48 | 47 | 3exp | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> ( -. Q .<_ ( ( P .\/ V ) .\/ W ) -> ( ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) -> ( ( P .\/ Q ) .\/ ( R .\/ S ) ) = ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) ) |
| 49 | 5 | 3ad2ant1 | |- ( ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) /\ -. R .<_ ( ( P .\/ V ) .\/ W ) /\ ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) -> K e. HL ) |
| 50 | 14 | 3ad2ant1 | |- ( ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) /\ -. R .<_ ( ( P .\/ V ) .\/ W ) /\ ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) -> P e. A ) |
| 51 | 28 | 3ad2ant1 | |- ( ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) /\ -. R .<_ ( ( P .\/ V ) .\/ W ) /\ ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) -> Q e. A ) |
| 52 | 7 | 3ad2ant1 | |- ( ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) /\ -. R .<_ ( ( P .\/ V ) .\/ W ) /\ ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) -> R e. A ) |
| 53 | 11 | 3ad2ant1 | |- ( ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) /\ -. R .<_ ( ( P .\/ V ) .\/ W ) /\ ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) -> S e. A ) |
| 54 | 2 3 | hlatj4 | |- ( ( K e. HL /\ ( P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) ) -> ( ( P .\/ Q ) .\/ ( R .\/ S ) ) = ( ( P .\/ R ) .\/ ( Q .\/ S ) ) ) |
| 55 | 49 50 51 52 53 54 | syl122anc | |- ( ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) /\ -. R .<_ ( ( P .\/ V ) .\/ W ) /\ ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) -> ( ( P .\/ Q ) .\/ ( R .\/ S ) ) = ( ( P .\/ R ) .\/ ( Q .\/ S ) ) ) |
| 56 | 49 50 52 | 3jca | |- ( ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) /\ -. R .<_ ( ( P .\/ V ) .\/ W ) /\ ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) -> ( K e. HL /\ P e. A /\ R e. A ) ) |
| 57 | 51 53 | jca | |- ( ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) /\ -. R .<_ ( ( P .\/ V ) .\/ W ) /\ ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) -> ( Q e. A /\ S e. A ) ) |
| 58 | simp1l3 | |- ( ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) /\ -. R .<_ ( ( P .\/ V ) .\/ W ) /\ ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) -> ( U e. A /\ V e. A /\ W e. A ) ) |
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| 59 | simp1r2 | |- ( ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) /\ -. R .<_ ( ( P .\/ V ) .\/ W ) /\ ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) -> -. R .<_ ( P .\/ Q ) ) |
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| 60 | 1 2 3 | 4atlem0be | |- ( ( K e. HL /\ ( P e. A /\ Q e. A /\ R e. A ) /\ -. R .<_ ( P .\/ Q ) ) -> P =/= R ) |
| 61 | 49 50 51 52 59 60 | syl131anc | |- ( ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) /\ -. R .<_ ( ( P .\/ V ) .\/ W ) /\ ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) -> P =/= R ) |
| 62 | simp1r1 | |- ( ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) /\ -. R .<_ ( ( P .\/ V ) .\/ W ) /\ ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) -> P =/= Q ) |
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| 63 | 1 2 3 | 4atlem0ae | |- ( ( K e. HL /\ ( P e. A /\ Q e. A /\ R e. A ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) ) ) -> -. Q .<_ ( P .\/ R ) ) |
| 64 | 49 50 51 52 62 59 63 | syl132anc | |- ( ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) /\ -. R .<_ ( ( P .\/ V ) .\/ W ) /\ ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) -> -. Q .<_ ( P .\/ R ) ) |
| 65 | simp1r3 | |- ( ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) /\ -. R .<_ ( ( P .\/ V ) .\/ W ) /\ ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) -> -. S .<_ ( ( P .\/ Q ) .\/ R ) ) |
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| 66 | 2 3 | hlatj32 | |- ( ( K e. HL /\ ( P e. A /\ Q e. A /\ R e. A ) ) -> ( ( P .\/ Q ) .\/ R ) = ( ( P .\/ R ) .\/ Q ) ) |
| 67 | 49 50 51 52 66 | syl13anc | |- ( ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) /\ -. R .<_ ( ( P .\/ V ) .\/ W ) /\ ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) -> ( ( P .\/ Q ) .\/ R ) = ( ( P .\/ R ) .\/ Q ) ) |
| 68 | 67 | breq2d | |- ( ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) /\ -. R .<_ ( ( P .\/ V ) .\/ W ) /\ ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) -> ( S .<_ ( ( P .\/ Q ) .\/ R ) <-> S .<_ ( ( P .\/ R ) .\/ Q ) ) ) |
| 69 | 65 68 | mtbid | |- ( ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) /\ -. R .<_ ( ( P .\/ V ) .\/ W ) /\ ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) -> -. S .<_ ( ( P .\/ R ) .\/ Q ) ) |
| 70 | 61 64 69 | 3jca | |- ( ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) /\ -. R .<_ ( ( P .\/ V ) .\/ W ) /\ ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) -> ( P =/= R /\ -. Q .<_ ( P .\/ R ) /\ -. S .<_ ( ( P .\/ R ) .\/ Q ) ) ) |
| 71 | simp2 | |- ( ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) /\ -. R .<_ ( ( P .\/ V ) .\/ W ) /\ ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) -> -. R .<_ ( ( P .\/ V ) .\/ W ) ) |
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| 72 | simp32 | |- ( ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) /\ -. R .<_ ( ( P .\/ V ) .\/ W ) /\ ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) -> R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) |
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| 73 | simp31 | |- ( ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) /\ -. R .<_ ( ( P .\/ V ) .\/ W ) /\ ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) -> Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) |
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| 74 | simp33 | |- ( ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) /\ -. R .<_ ( ( P .\/ V ) .\/ W ) /\ ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) -> S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) |
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| 75 | 1 2 3 | 4atlem11b | |- ( ( ( ( K e. HL /\ P e. A /\ R e. A ) /\ ( Q e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( ( P =/= R /\ -. Q .<_ ( P .\/ R ) /\ -. S .<_ ( ( P .\/ R ) .\/ Q ) ) /\ -. R .<_ ( ( P .\/ V ) .\/ W ) ) /\ ( R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) -> ( ( P .\/ R ) .\/ ( Q .\/ S ) ) = ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) |
| 76 | 56 57 58 70 71 72 73 74 75 | syl323anc | |- ( ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) /\ -. R .<_ ( ( P .\/ V ) .\/ W ) /\ ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) -> ( ( P .\/ R ) .\/ ( Q .\/ S ) ) = ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) |
| 77 | 55 76 | eqtrd | |- ( ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) /\ -. R .<_ ( ( P .\/ V ) .\/ W ) /\ ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) -> ( ( P .\/ Q ) .\/ ( R .\/ S ) ) = ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) |
| 78 | 77 | 3exp | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> ( -. R .<_ ( ( P .\/ V ) .\/ W ) -> ( ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) -> ( ( P .\/ Q ) .\/ ( R .\/ S ) ) = ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) ) |
| 79 | 8 3 | atbase | |- ( P e. A -> P e. ( Base ` K ) ) |
| 80 | 14 79 | syl | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> P e. ( Base ` K ) ) |
| 81 | 8 2 | latj4rot | |- ( ( K e. Lat /\ ( P e. ( Base ` K ) /\ Q e. ( Base ` K ) ) /\ ( R e. ( Base ` K ) /\ S e. ( Base ` K ) ) ) -> ( ( P .\/ Q ) .\/ ( R .\/ S ) ) = ( ( S .\/ P ) .\/ ( Q .\/ R ) ) ) |
| 82 | 6 80 30 10 13 81 | syl122anc | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> ( ( P .\/ Q ) .\/ ( R .\/ S ) ) = ( ( S .\/ P ) .\/ ( Q .\/ R ) ) ) |
| 83 | 2 3 | hlatjcom | |- ( ( K e. HL /\ S e. A /\ P e. A ) -> ( S .\/ P ) = ( P .\/ S ) ) |
| 84 | 5 11 14 83 | syl3anc | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> ( S .\/ P ) = ( P .\/ S ) ) |
| 85 | 84 | oveq1d | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> ( ( S .\/ P ) .\/ ( Q .\/ R ) ) = ( ( P .\/ S ) .\/ ( Q .\/ R ) ) ) |
| 86 | 82 85 | eqtrd | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> ( ( P .\/ Q ) .\/ ( R .\/ S ) ) = ( ( P .\/ S ) .\/ ( Q .\/ R ) ) ) |
| 87 | 86 | 3ad2ant1 | |- ( ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) /\ -. S .<_ ( ( P .\/ V ) .\/ W ) /\ ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) -> ( ( P .\/ Q ) .\/ ( R .\/ S ) ) = ( ( P .\/ S ) .\/ ( Q .\/ R ) ) ) |
| 88 | 5 14 11 | 3jca | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> ( K e. HL /\ P e. A /\ S e. A ) ) |
| 89 | 28 7 | jca | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> ( Q e. A /\ R e. A ) ) |
| 90 | simpl3 | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> ( U e. A /\ V e. A /\ W e. A ) ) |
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| 91 | 88 89 90 | 3jca | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> ( ( K e. HL /\ P e. A /\ S e. A ) /\ ( Q e. A /\ R e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) ) |
| 92 | 91 | 3ad2ant1 | |- ( ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) /\ -. S .<_ ( ( P .\/ V ) .\/ W ) /\ ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) -> ( ( K e. HL /\ P e. A /\ S e. A ) /\ ( Q e. A /\ R e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) ) |
| 93 | 1 2 3 | 4noncolr1 | |- ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> ( S =/= P /\ -. Q .<_ ( S .\/ P ) /\ -. R .<_ ( ( S .\/ P ) .\/ Q ) ) ) |
| 94 | 36 37 39 93 | syl3anc | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> ( S =/= P /\ -. Q .<_ ( S .\/ P ) /\ -. R .<_ ( ( S .\/ P ) .\/ Q ) ) ) |
| 95 | necom | |- ( S =/= P <-> P =/= S ) |
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| 96 | 95 | a1i | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> ( S =/= P <-> P =/= S ) ) |
| 97 | 84 | breq2d | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> ( Q .<_ ( S .\/ P ) <-> Q .<_ ( P .\/ S ) ) ) |
| 98 | 97 | notbid | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> ( -. Q .<_ ( S .\/ P ) <-> -. Q .<_ ( P .\/ S ) ) ) |
| 99 | 84 | oveq1d | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> ( ( S .\/ P ) .\/ Q ) = ( ( P .\/ S ) .\/ Q ) ) |
| 100 | 99 | breq2d | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> ( R .<_ ( ( S .\/ P ) .\/ Q ) <-> R .<_ ( ( P .\/ S ) .\/ Q ) ) ) |
| 101 | 100 | notbid | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> ( -. R .<_ ( ( S .\/ P ) .\/ Q ) <-> -. R .<_ ( ( P .\/ S ) .\/ Q ) ) ) |
| 102 | 96 98 101 | 3anbi123d | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> ( ( S =/= P /\ -. Q .<_ ( S .\/ P ) /\ -. R .<_ ( ( S .\/ P ) .\/ Q ) ) <-> ( P =/= S /\ -. Q .<_ ( P .\/ S ) /\ -. R .<_ ( ( P .\/ S ) .\/ Q ) ) ) ) |
| 103 | 94 102 | mpbid | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> ( P =/= S /\ -. Q .<_ ( P .\/ S ) /\ -. R .<_ ( ( P .\/ S ) .\/ Q ) ) ) |
| 104 | 103 | 3ad2ant1 | |- ( ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) /\ -. S .<_ ( ( P .\/ V ) .\/ W ) /\ ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) -> ( P =/= S /\ -. Q .<_ ( P .\/ S ) /\ -. R .<_ ( ( P .\/ S ) .\/ Q ) ) ) |
| 105 | simp2 | |- ( ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) /\ -. S .<_ ( ( P .\/ V ) .\/ W ) /\ ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) -> -. S .<_ ( ( P .\/ V ) .\/ W ) ) |
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| 106 | simpr3 | |- ( ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) /\ ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) -> S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) |
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| 107 | simpr1 | |- ( ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) /\ ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) -> Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) |
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| 108 | simpr2 | |- ( ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) /\ ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) -> R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) |
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| 109 | 106 107 108 | 3jca | |- ( ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) /\ ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) -> ( S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) |
| 110 | 109 | 3adant2 | |- ( ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) /\ -. S .<_ ( ( P .\/ V ) .\/ W ) /\ ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) -> ( S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) |
| 111 | 1 2 3 | 4atlem11b | |- ( ( ( ( K e. HL /\ P e. A /\ S e. A ) /\ ( Q e. A /\ R e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( ( P =/= S /\ -. Q .<_ ( P .\/ S ) /\ -. R .<_ ( ( P .\/ S ) .\/ Q ) ) /\ -. S .<_ ( ( P .\/ V ) .\/ W ) ) /\ ( S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) -> ( ( P .\/ S ) .\/ ( Q .\/ R ) ) = ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) |
| 112 | 92 104 105 110 111 | syl121anc | |- ( ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) /\ -. S .<_ ( ( P .\/ V ) .\/ W ) /\ ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) -> ( ( P .\/ S ) .\/ ( Q .\/ R ) ) = ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) |
| 113 | 87 112 | eqtrd | |- ( ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) /\ -. S .<_ ( ( P .\/ V ) .\/ W ) /\ ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) -> ( ( P .\/ Q ) .\/ ( R .\/ S ) ) = ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) |
| 114 | 113 | 3exp | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> ( -. S .<_ ( ( P .\/ V ) .\/ W ) -> ( ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) -> ( ( P .\/ Q ) .\/ ( R .\/ S ) ) = ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) ) |
| 115 | 48 78 114 | 3jaod | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> ( ( -. Q .<_ ( ( P .\/ V ) .\/ W ) \/ -. R .<_ ( ( P .\/ V ) .\/ W ) \/ -. S .<_ ( ( P .\/ V ) .\/ W ) ) -> ( ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) -> ( ( P .\/ Q ) .\/ ( R .\/ S ) ) = ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) ) |
| 116 | 41 115 | mpd | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> ( ( Q .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ R .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) /\ S .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) -> ( ( P .\/ Q ) .\/ ( R .\/ S ) ) = ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) |
| 117 | 35 116 | sylbird | |- ( ( ( ( K e. HL /\ P e. A /\ Q e. A ) /\ ( R e. A /\ S e. A ) /\ ( U e. A /\ V e. A /\ W e. A ) ) /\ ( P =/= Q /\ -. R .<_ ( P .\/ Q ) /\ -. S .<_ ( ( P .\/ Q ) .\/ R ) ) ) -> ( ( Q .\/ ( R .\/ S ) ) .<_ ( ( P .\/ U ) .\/ ( V .\/ W ) ) -> ( ( P .\/ Q ) .\/ ( R .\/ S ) ) = ( ( P .\/ U ) .\/ ( V .\/ W ) ) ) ) |