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Description: TODO: FIX COMMENT. (Contributed by NM, 3-May-2013)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | cdlemg8.l | |- .<_ = ( le ` K ) |
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| cdlemg8.j | |- .\/ = ( join ` K ) |
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| cdlemg8.m | |- ./\ = ( meet ` K ) |
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| cdlemg8.a | |- A = ( Atoms ` K ) |
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| cdlemg8.h | |- H = ( LHyp ` K ) |
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| cdlemg8.t | |- T = ( ( LTrn ` K ) ` W ) |
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| cdlemg10.r | |- R = ( ( trL ` K ) ` W ) |
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| Assertion | cdlemg10a | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ P =/= Q ) /\ ( ( ( F ` ( G ` P ) ) .\/ ( F ` ( G ` Q ) ) ) =/= ( P .\/ Q ) /\ -. ( R ` F ) .<_ ( P .\/ Q ) /\ -. ( R ` G ) .<_ ( P .\/ Q ) ) ) -> ( ( P .\/ ( F ` ( G ` P ) ) ) ./\ ( Q .\/ ( F ` ( G ` Q ) ) ) ) .<_ ( ( R ` F ) .\/ ( R ` G ) ) ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cdlemg8.l | |- .<_ = ( le ` K ) |
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| 2 | cdlemg8.j | |- .\/ = ( join ` K ) |
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| 3 | cdlemg8.m | |- ./\ = ( meet ` K ) |
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| 4 | cdlemg8.a | |- A = ( Atoms ` K ) |
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| 5 | cdlemg8.h | |- H = ( LHyp ` K ) |
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| 6 | cdlemg8.t | |- T = ( ( LTrn ` K ) ` W ) |
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| 7 | cdlemg10.r | |- R = ( ( trL ` K ) ` W ) |
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| 8 | simp11 | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ P =/= Q ) /\ ( ( ( F ` ( G ` P ) ) .\/ ( F ` ( G ` Q ) ) ) =/= ( P .\/ Q ) /\ -. ( R ` F ) .<_ ( P .\/ Q ) /\ -. ( R ` G ) .<_ ( P .\/ Q ) ) ) -> ( K e. HL /\ W e. H ) ) |
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| 9 | simp12 | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ P =/= Q ) /\ ( ( ( F ` ( G ` P ) ) .\/ ( F ` ( G ` Q ) ) ) =/= ( P .\/ Q ) /\ -. ( R ` F ) .<_ ( P .\/ Q ) /\ -. ( R ` G ) .<_ ( P .\/ Q ) ) ) -> ( P e. A /\ -. P .<_ W ) ) |
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| 10 | simp13 | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ P =/= Q ) /\ ( ( ( F ` ( G ` P ) ) .\/ ( F ` ( G ` Q ) ) ) =/= ( P .\/ Q ) /\ -. ( R ` F ) .<_ ( P .\/ Q ) /\ -. ( R ` G ) .<_ ( P .\/ Q ) ) ) -> ( Q e. A /\ -. Q .<_ W ) ) |
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| 11 | simp21 | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ P =/= Q ) /\ ( ( ( F ` ( G ` P ) ) .\/ ( F ` ( G ` Q ) ) ) =/= ( P .\/ Q ) /\ -. ( R ` F ) .<_ ( P .\/ Q ) /\ -. ( R ` G ) .<_ ( P .\/ Q ) ) ) -> F e. T ) |
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| 12 | simp22 | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ P =/= Q ) /\ ( ( ( F ` ( G ` P ) ) .\/ ( F ` ( G ` Q ) ) ) =/= ( P .\/ Q ) /\ -. ( R ` F ) .<_ ( P .\/ Q ) /\ -. ( R ` G ) .<_ ( P .\/ Q ) ) ) -> G e. T ) |
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| 13 | simp23 | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ P =/= Q ) /\ ( ( ( F ` ( G ` P ) ) .\/ ( F ` ( G ` Q ) ) ) =/= ( P .\/ Q ) /\ -. ( R ` F ) .<_ ( P .\/ Q ) /\ -. ( R ` G ) .<_ ( P .\/ Q ) ) ) -> P =/= Q ) |
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| 14 | simp31 | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ P =/= Q ) /\ ( ( ( F ` ( G ` P ) ) .\/ ( F ` ( G ` Q ) ) ) =/= ( P .\/ Q ) /\ -. ( R ` F ) .<_ ( P .\/ Q ) /\ -. ( R ` G ) .<_ ( P .\/ Q ) ) ) -> ( ( F ` ( G ` P ) ) .\/ ( F ` ( G ` Q ) ) ) =/= ( P .\/ Q ) ) |
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| 15 | 1 2 3 4 5 6 | cdlemg9 | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) /\ F e. T ) /\ ( G e. T /\ P =/= Q /\ ( ( F ` ( G ` P ) ) .\/ ( F ` ( G ` Q ) ) ) =/= ( P .\/ Q ) ) ) -> ( ( P .\/ ( F ` ( G ` P ) ) ) ./\ ( Q .\/ ( F ` ( G ` Q ) ) ) ) .<_ ( ( ( ( F ` ( G ` P ) ) .\/ ( G ` P ) ) ./\ ( ( F ` ( G ` Q ) ) .\/ ( G ` Q ) ) ) .\/ ( ( ( G ` P ) .\/ P ) ./\ ( ( G ` Q ) .\/ Q ) ) ) ) |
| 16 | 8 9 10 11 12 13 14 15 | syl133anc | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ P =/= Q ) /\ ( ( ( F ` ( G ` P ) ) .\/ ( F ` ( G ` Q ) ) ) =/= ( P .\/ Q ) /\ -. ( R ` F ) .<_ ( P .\/ Q ) /\ -. ( R ` G ) .<_ ( P .\/ Q ) ) ) -> ( ( P .\/ ( F ` ( G ` P ) ) ) ./\ ( Q .\/ ( F ` ( G ` Q ) ) ) ) .<_ ( ( ( ( F ` ( G ` P ) ) .\/ ( G ` P ) ) ./\ ( ( F ` ( G ` Q ) ) .\/ ( G ` Q ) ) ) .\/ ( ( ( G ` P ) .\/ P ) ./\ ( ( G ` Q ) .\/ Q ) ) ) ) |
| 17 | 1 4 5 6 | ltrnel | |- ( ( ( K e. HL /\ W e. H ) /\ G e. T /\ ( P e. A /\ -. P .<_ W ) ) -> ( ( G ` P ) e. A /\ -. ( G ` P ) .<_ W ) ) |
| 18 | 8 12 9 17 | syl3anc | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ P =/= Q ) /\ ( ( ( F ` ( G ` P ) ) .\/ ( F ` ( G ` Q ) ) ) =/= ( P .\/ Q ) /\ -. ( R ` F ) .<_ ( P .\/ Q ) /\ -. ( R ` G ) .<_ ( P .\/ Q ) ) ) -> ( ( G ` P ) e. A /\ -. ( G ` P ) .<_ W ) ) |
| 19 | 1 4 5 6 | ltrnel | |- ( ( ( K e. HL /\ W e. H ) /\ G e. T /\ ( Q e. A /\ -. Q .<_ W ) ) -> ( ( G ` Q ) e. A /\ -. ( G ` Q ) .<_ W ) ) |
| 20 | 8 12 10 19 | syl3anc | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ P =/= Q ) /\ ( ( ( F ` ( G ` P ) ) .\/ ( F ` ( G ` Q ) ) ) =/= ( P .\/ Q ) /\ -. ( R ` F ) .<_ ( P .\/ Q ) /\ -. ( R ` G ) .<_ ( P .\/ Q ) ) ) -> ( ( G ` Q ) e. A /\ -. ( G ` Q ) .<_ W ) ) |
| 21 | simp12l | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ P =/= Q ) /\ ( ( ( F ` ( G ` P ) ) .\/ ( F ` ( G ` Q ) ) ) =/= ( P .\/ Q ) /\ -. ( R ` F ) .<_ ( P .\/ Q ) /\ -. ( R ` G ) .<_ ( P .\/ Q ) ) ) -> P e. A ) |
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| 22 | simp13l | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ P =/= Q ) /\ ( ( ( F ` ( G ` P ) ) .\/ ( F ` ( G ` Q ) ) ) =/= ( P .\/ Q ) /\ -. ( R ` F ) .<_ ( P .\/ Q ) /\ -. ( R ` G ) .<_ ( P .\/ Q ) ) ) -> Q e. A ) |
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| 23 | 4 5 6 | ltrn11at | |- ( ( ( K e. HL /\ W e. H ) /\ G e. T /\ ( P e. A /\ Q e. A /\ P =/= Q ) ) -> ( G ` P ) =/= ( G ` Q ) ) |
| 24 | 8 12 21 22 13 23 | syl113anc | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ P =/= Q ) /\ ( ( ( F ` ( G ` P ) ) .\/ ( F ` ( G ` Q ) ) ) =/= ( P .\/ Q ) /\ -. ( R ` F ) .<_ ( P .\/ Q ) /\ -. ( R ` G ) .<_ ( P .\/ Q ) ) ) -> ( G ` P ) =/= ( G ` Q ) ) |
| 25 | simp32 | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ P =/= Q ) /\ ( ( ( F ` ( G ` P ) ) .\/ ( F ` ( G ` Q ) ) ) =/= ( P .\/ Q ) /\ -. ( R ` F ) .<_ ( P .\/ Q ) /\ -. ( R ` G ) .<_ ( P .\/ Q ) ) ) -> -. ( R ` F ) .<_ ( P .\/ Q ) ) |
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| 26 | 1 2 3 4 5 6 7 | cdlemg10c | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T ) ) -> ( ( R ` F ) .<_ ( ( G ` P ) .\/ ( G ` Q ) ) <-> ( R ` F ) .<_ ( P .\/ Q ) ) ) |
| 27 | 8 9 10 11 12 26 | syl122anc | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ P =/= Q ) /\ ( ( ( F ` ( G ` P ) ) .\/ ( F ` ( G ` Q ) ) ) =/= ( P .\/ Q ) /\ -. ( R ` F ) .<_ ( P .\/ Q ) /\ -. ( R ` G ) .<_ ( P .\/ Q ) ) ) -> ( ( R ` F ) .<_ ( ( G ` P ) .\/ ( G ` Q ) ) <-> ( R ` F ) .<_ ( P .\/ Q ) ) ) |
| 28 | 25 27 | mtbird | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ P =/= Q ) /\ ( ( ( F ` ( G ` P ) ) .\/ ( F ` ( G ` Q ) ) ) =/= ( P .\/ Q ) /\ -. ( R ` F ) .<_ ( P .\/ Q ) /\ -. ( R ` G ) .<_ ( P .\/ Q ) ) ) -> -. ( R ` F ) .<_ ( ( G ` P ) .\/ ( G ` Q ) ) ) |
| 29 | 1 2 3 4 5 6 7 | trlval4 | |- ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ ( ( G ` P ) e. A /\ -. ( G ` P ) .<_ W ) /\ ( ( G ` Q ) e. A /\ -. ( G ` Q ) .<_ W ) ) /\ ( ( G ` P ) =/= ( G ` Q ) /\ -. ( R ` F ) .<_ ( ( G ` P ) .\/ ( G ` Q ) ) ) ) -> ( R ` F ) = ( ( ( G ` P ) .\/ ( F ` ( G ` P ) ) ) ./\ ( ( G ` Q ) .\/ ( F ` ( G ` Q ) ) ) ) ) |
| 30 | 8 11 18 20 24 28 29 | syl132anc | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ P =/= Q ) /\ ( ( ( F ` ( G ` P ) ) .\/ ( F ` ( G ` Q ) ) ) =/= ( P .\/ Q ) /\ -. ( R ` F ) .<_ ( P .\/ Q ) /\ -. ( R ` G ) .<_ ( P .\/ Q ) ) ) -> ( R ` F ) = ( ( ( G ` P ) .\/ ( F ` ( G ` P ) ) ) ./\ ( ( G ` Q ) .\/ ( F ` ( G ` Q ) ) ) ) ) |
| 31 | simp11l | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ P =/= Q ) /\ ( ( ( F ` ( G ` P ) ) .\/ ( F ` ( G ` Q ) ) ) =/= ( P .\/ Q ) /\ -. ( R ` F ) .<_ ( P .\/ Q ) /\ -. ( R ` G ) .<_ ( P .\/ Q ) ) ) -> K e. HL ) |
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| 32 | 1 4 5 6 | ltrnat | |- ( ( ( K e. HL /\ W e. H ) /\ G e. T /\ P e. A ) -> ( G ` P ) e. A ) |
| 33 | 8 12 21 32 | syl3anc | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ P =/= Q ) /\ ( ( ( F ` ( G ` P ) ) .\/ ( F ` ( G ` Q ) ) ) =/= ( P .\/ Q ) /\ -. ( R ` F ) .<_ ( P .\/ Q ) /\ -. ( R ` G ) .<_ ( P .\/ Q ) ) ) -> ( G ` P ) e. A ) |
| 34 | 1 4 5 6 | ltrnat | |- ( ( ( K e. HL /\ W e. H ) /\ F e. T /\ ( G ` P ) e. A ) -> ( F ` ( G ` P ) ) e. A ) |
| 35 | 8 11 33 34 | syl3anc | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ P =/= Q ) /\ ( ( ( F ` ( G ` P ) ) .\/ ( F ` ( G ` Q ) ) ) =/= ( P .\/ Q ) /\ -. ( R ` F ) .<_ ( P .\/ Q ) /\ -. ( R ` G ) .<_ ( P .\/ Q ) ) ) -> ( F ` ( G ` P ) ) e. A ) |
| 36 | 2 4 | hlatjcom | |- ( ( K e. HL /\ ( G ` P ) e. A /\ ( F ` ( G ` P ) ) e. A ) -> ( ( G ` P ) .\/ ( F ` ( G ` P ) ) ) = ( ( F ` ( G ` P ) ) .\/ ( G ` P ) ) ) |
| 37 | 31 33 35 36 | syl3anc | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ P =/= Q ) /\ ( ( ( F ` ( G ` P ) ) .\/ ( F ` ( G ` Q ) ) ) =/= ( P .\/ Q ) /\ -. ( R ` F ) .<_ ( P .\/ Q ) /\ -. ( R ` G ) .<_ ( P .\/ Q ) ) ) -> ( ( G ` P ) .\/ ( F ` ( G ` P ) ) ) = ( ( F ` ( G ` P ) ) .\/ ( G ` P ) ) ) |
| 38 | 1 4 5 6 | ltrnat | |- ( ( ( K e. HL /\ W e. H ) /\ G e. T /\ Q e. A ) -> ( G ` Q ) e. A ) |
| 39 | 8 12 22 38 | syl3anc | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ P =/= Q ) /\ ( ( ( F ` ( G ` P ) ) .\/ ( F ` ( G ` Q ) ) ) =/= ( P .\/ Q ) /\ -. ( R ` F ) .<_ ( P .\/ Q ) /\ -. ( R ` G ) .<_ ( P .\/ Q ) ) ) -> ( G ` Q ) e. A ) |
| 40 | 1 4 5 6 | ltrnat | |- ( ( ( K e. HL /\ W e. H ) /\ F e. T /\ ( G ` Q ) e. A ) -> ( F ` ( G ` Q ) ) e. A ) |
| 41 | 8 11 39 40 | syl3anc | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ P =/= Q ) /\ ( ( ( F ` ( G ` P ) ) .\/ ( F ` ( G ` Q ) ) ) =/= ( P .\/ Q ) /\ -. ( R ` F ) .<_ ( P .\/ Q ) /\ -. ( R ` G ) .<_ ( P .\/ Q ) ) ) -> ( F ` ( G ` Q ) ) e. A ) |
| 42 | 2 4 | hlatjcom | |- ( ( K e. HL /\ ( G ` Q ) e. A /\ ( F ` ( G ` Q ) ) e. A ) -> ( ( G ` Q ) .\/ ( F ` ( G ` Q ) ) ) = ( ( F ` ( G ` Q ) ) .\/ ( G ` Q ) ) ) |
| 43 | 31 39 41 42 | syl3anc | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ P =/= Q ) /\ ( ( ( F ` ( G ` P ) ) .\/ ( F ` ( G ` Q ) ) ) =/= ( P .\/ Q ) /\ -. ( R ` F ) .<_ ( P .\/ Q ) /\ -. ( R ` G ) .<_ ( P .\/ Q ) ) ) -> ( ( G ` Q ) .\/ ( F ` ( G ` Q ) ) ) = ( ( F ` ( G ` Q ) ) .\/ ( G ` Q ) ) ) |
| 44 | 37 43 | oveq12d | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ P =/= Q ) /\ ( ( ( F ` ( G ` P ) ) .\/ ( F ` ( G ` Q ) ) ) =/= ( P .\/ Q ) /\ -. ( R ` F ) .<_ ( P .\/ Q ) /\ -. ( R ` G ) .<_ ( P .\/ Q ) ) ) -> ( ( ( G ` P ) .\/ ( F ` ( G ` P ) ) ) ./\ ( ( G ` Q ) .\/ ( F ` ( G ` Q ) ) ) ) = ( ( ( F ` ( G ` P ) ) .\/ ( G ` P ) ) ./\ ( ( F ` ( G ` Q ) ) .\/ ( G ` Q ) ) ) ) |
| 45 | 30 44 | eqtrd | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ P =/= Q ) /\ ( ( ( F ` ( G ` P ) ) .\/ ( F ` ( G ` Q ) ) ) =/= ( P .\/ Q ) /\ -. ( R ` F ) .<_ ( P .\/ Q ) /\ -. ( R ` G ) .<_ ( P .\/ Q ) ) ) -> ( R ` F ) = ( ( ( F ` ( G ` P ) ) .\/ ( G ` P ) ) ./\ ( ( F ` ( G ` Q ) ) .\/ ( G ` Q ) ) ) ) |
| 46 | simp33 | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ P =/= Q ) /\ ( ( ( F ` ( G ` P ) ) .\/ ( F ` ( G ` Q ) ) ) =/= ( P .\/ Q ) /\ -. ( R ` F ) .<_ ( P .\/ Q ) /\ -. ( R ` G ) .<_ ( P .\/ Q ) ) ) -> -. ( R ` G ) .<_ ( P .\/ Q ) ) |
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| 47 | 1 2 3 4 5 6 7 | trlval4 | |- ( ( ( K e. HL /\ W e. H ) /\ ( G e. T /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ -. ( R ` G ) .<_ ( P .\/ Q ) ) ) -> ( R ` G ) = ( ( P .\/ ( G ` P ) ) ./\ ( Q .\/ ( G ` Q ) ) ) ) |
| 48 | 8 12 9 10 13 46 47 | syl132anc | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ P =/= Q ) /\ ( ( ( F ` ( G ` P ) ) .\/ ( F ` ( G ` Q ) ) ) =/= ( P .\/ Q ) /\ -. ( R ` F ) .<_ ( P .\/ Q ) /\ -. ( R ` G ) .<_ ( P .\/ Q ) ) ) -> ( R ` G ) = ( ( P .\/ ( G ` P ) ) ./\ ( Q .\/ ( G ` Q ) ) ) ) |
| 49 | 2 4 | hlatjcom | |- ( ( K e. HL /\ P e. A /\ ( G ` P ) e. A ) -> ( P .\/ ( G ` P ) ) = ( ( G ` P ) .\/ P ) ) |
| 50 | 31 21 33 49 | syl3anc | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ P =/= Q ) /\ ( ( ( F ` ( G ` P ) ) .\/ ( F ` ( G ` Q ) ) ) =/= ( P .\/ Q ) /\ -. ( R ` F ) .<_ ( P .\/ Q ) /\ -. ( R ` G ) .<_ ( P .\/ Q ) ) ) -> ( P .\/ ( G ` P ) ) = ( ( G ` P ) .\/ P ) ) |
| 51 | 2 4 | hlatjcom | |- ( ( K e. HL /\ Q e. A /\ ( G ` Q ) e. A ) -> ( Q .\/ ( G ` Q ) ) = ( ( G ` Q ) .\/ Q ) ) |
| 52 | 31 22 39 51 | syl3anc | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ P =/= Q ) /\ ( ( ( F ` ( G ` P ) ) .\/ ( F ` ( G ` Q ) ) ) =/= ( P .\/ Q ) /\ -. ( R ` F ) .<_ ( P .\/ Q ) /\ -. ( R ` G ) .<_ ( P .\/ Q ) ) ) -> ( Q .\/ ( G ` Q ) ) = ( ( G ` Q ) .\/ Q ) ) |
| 53 | 50 52 | oveq12d | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ P =/= Q ) /\ ( ( ( F ` ( G ` P ) ) .\/ ( F ` ( G ` Q ) ) ) =/= ( P .\/ Q ) /\ -. ( R ` F ) .<_ ( P .\/ Q ) /\ -. ( R ` G ) .<_ ( P .\/ Q ) ) ) -> ( ( P .\/ ( G ` P ) ) ./\ ( Q .\/ ( G ` Q ) ) ) = ( ( ( G ` P ) .\/ P ) ./\ ( ( G ` Q ) .\/ Q ) ) ) |
| 54 | 48 53 | eqtrd | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ P =/= Q ) /\ ( ( ( F ` ( G ` P ) ) .\/ ( F ` ( G ` Q ) ) ) =/= ( P .\/ Q ) /\ -. ( R ` F ) .<_ ( P .\/ Q ) /\ -. ( R ` G ) .<_ ( P .\/ Q ) ) ) -> ( R ` G ) = ( ( ( G ` P ) .\/ P ) ./\ ( ( G ` Q ) .\/ Q ) ) ) |
| 55 | 45 54 | oveq12d | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ P =/= Q ) /\ ( ( ( F ` ( G ` P ) ) .\/ ( F ` ( G ` Q ) ) ) =/= ( P .\/ Q ) /\ -. ( R ` F ) .<_ ( P .\/ Q ) /\ -. ( R ` G ) .<_ ( P .\/ Q ) ) ) -> ( ( R ` F ) .\/ ( R ` G ) ) = ( ( ( ( F ` ( G ` P ) ) .\/ ( G ` P ) ) ./\ ( ( F ` ( G ` Q ) ) .\/ ( G ` Q ) ) ) .\/ ( ( ( G ` P ) .\/ P ) ./\ ( ( G ` Q ) .\/ Q ) ) ) ) |
| 56 | 16 55 | breqtrrd | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ P =/= Q ) /\ ( ( ( F ` ( G ` P ) ) .\/ ( F ` ( G ` Q ) ) ) =/= ( P .\/ Q ) /\ -. ( R ` F ) .<_ ( P .\/ Q ) /\ -. ( R ` G ) .<_ ( P .\/ Q ) ) ) -> ( ( P .\/ ( F ` ( G ` P ) ) ) ./\ ( Q .\/ ( F ` ( G ` Q ) ) ) ) .<_ ( ( R ` F ) .\/ ( R ` G ) ) ) |