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Description: TODO: FIX COMMENT. (Contributed by NM, 25-Apr-2013)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | cdlemg2inv.h | |- H = ( LHyp ` K ) |
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| cdlemg2inv.t | |- T = ( ( LTrn ` K ) ` W ) |
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| cdlemg2j.l | |- .<_ = ( le ` K ) |
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| cdlemg2j.j | |- .\/ = ( join ` K ) |
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| cdlemg2j.a | |- A = ( Atoms ` K ) |
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| cdlemg2j.m | |- ./\ = ( meet ` K ) |
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| cdlemg2j.u | |- U = ( ( P .\/ Q ) ./\ W ) |
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| Assertion | cdlemg2m | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ F e. T ) -> ( ( ( F ` P ) .\/ ( F ` Q ) ) ./\ W ) = U ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cdlemg2inv.h | |- H = ( LHyp ` K ) |
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| 2 | cdlemg2inv.t | |- T = ( ( LTrn ` K ) ` W ) |
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| 3 | cdlemg2j.l | |- .<_ = ( le ` K ) |
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| 4 | cdlemg2j.j | |- .\/ = ( join ` K ) |
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| 5 | cdlemg2j.a | |- A = ( Atoms ` K ) |
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| 6 | cdlemg2j.m | |- ./\ = ( meet ` K ) |
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| 7 | cdlemg2j.u | |- U = ( ( P .\/ Q ) ./\ W ) |
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| 8 | 1 2 3 4 5 6 7 | cdlemg2k | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ F e. T ) -> ( ( F ` P ) .\/ ( F ` Q ) ) = ( ( F ` P ) .\/ U ) ) |
| 9 | 8 | oveq1d | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ F e. T ) -> ( ( ( F ` P ) .\/ ( F ` Q ) ) ./\ W ) = ( ( ( F ` P ) .\/ U ) ./\ W ) ) |
| 10 | simp1 | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ F e. T ) -> ( K e. HL /\ W e. H ) ) |
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| 11 | simp3 | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ F e. T ) -> F e. T ) |
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| 12 | simp2l | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ F e. T ) -> ( P e. A /\ -. P .<_ W ) ) |
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| 13 | eqid | |- ( 0. ` K ) = ( 0. ` K ) |
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| 14 | 3 6 13 5 1 2 | ltrnmw | |- ( ( ( K e. HL /\ W e. H ) /\ F e. T /\ ( P e. A /\ -. P .<_ W ) ) -> ( ( F ` P ) ./\ W ) = ( 0. ` K ) ) |
| 15 | 10 11 12 14 | syl3anc | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ F e. T ) -> ( ( F ` P ) ./\ W ) = ( 0. ` K ) ) |
| 16 | 15 | oveq1d | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ F e. T ) -> ( ( ( F ` P ) ./\ W ) .\/ U ) = ( ( 0. ` K ) .\/ U ) ) |
| 17 | simp1l | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ F e. T ) -> K e. HL ) |
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| 18 | 3 5 1 2 | ltrnel | |- ( ( ( K e. HL /\ W e. H ) /\ F e. T /\ ( P e. A /\ -. P .<_ W ) ) -> ( ( F ` P ) e. A /\ -. ( F ` P ) .<_ W ) ) |
| 19 | 10 11 12 18 | syl3anc | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ F e. T ) -> ( ( F ` P ) e. A /\ -. ( F ` P ) .<_ W ) ) |
| 20 | 19 | simpld | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ F e. T ) -> ( F ` P ) e. A ) |
| 21 | simp1r | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ F e. T ) -> W e. H ) |
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| 22 | simp2ll | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ F e. T ) -> P e. A ) |
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| 23 | simp2rl | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ F e. T ) -> Q e. A ) |
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| 24 | eqid | |- ( Base ` K ) = ( Base ` K ) |
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| 25 | 3 4 6 5 1 7 24 | cdleme0aa | |- ( ( ( K e. HL /\ W e. H ) /\ P e. A /\ Q e. A ) -> U e. ( Base ` K ) ) |
| 26 | 17 21 22 23 25 | syl211anc | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ F e. T ) -> U e. ( Base ` K ) ) |
| 27 | 24 1 | lhpbase | |- ( W e. H -> W e. ( Base ` K ) ) |
| 28 | 21 27 | syl | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ F e. T ) -> W e. ( Base ` K ) ) |
| 29 | 17 | hllatd | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ F e. T ) -> K e. Lat ) |
| 30 | 24 4 5 | hlatjcl | |- ( ( K e. HL /\ P e. A /\ Q e. A ) -> ( P .\/ Q ) e. ( Base ` K ) ) |
| 31 | 17 22 23 30 | syl3anc | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ F e. T ) -> ( P .\/ Q ) e. ( Base ` K ) ) |
| 32 | 24 3 6 | latmle2 | |- ( ( K e. Lat /\ ( P .\/ Q ) e. ( Base ` K ) /\ W e. ( Base ` K ) ) -> ( ( P .\/ Q ) ./\ W ) .<_ W ) |
| 33 | 29 31 28 32 | syl3anc | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ F e. T ) -> ( ( P .\/ Q ) ./\ W ) .<_ W ) |
| 34 | 7 33 | eqbrtrid | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ F e. T ) -> U .<_ W ) |
| 35 | 24 3 4 6 5 | atmod4i2 | |- ( ( K e. HL /\ ( ( F ` P ) e. A /\ U e. ( Base ` K ) /\ W e. ( Base ` K ) ) /\ U .<_ W ) -> ( ( ( F ` P ) ./\ W ) .\/ U ) = ( ( ( F ` P ) .\/ U ) ./\ W ) ) |
| 36 | 17 20 26 28 34 35 | syl131anc | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ F e. T ) -> ( ( ( F ` P ) ./\ W ) .\/ U ) = ( ( ( F ` P ) .\/ U ) ./\ W ) ) |
| 37 | hlol | |- ( K e. HL -> K e. OL ) |
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| 38 | 17 37 | syl | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ F e. T ) -> K e. OL ) |
| 39 | 24 4 13 | olj02 | |- ( ( K e. OL /\ U e. ( Base ` K ) ) -> ( ( 0. ` K ) .\/ U ) = U ) |
| 40 | 38 26 39 | syl2anc | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ F e. T ) -> ( ( 0. ` K ) .\/ U ) = U ) |
| 41 | 16 36 40 | 3eqtr3d | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ F e. T ) -> ( ( ( F ` P ) .\/ U ) ./\ W ) = U ) |
| 42 | 9 41 | eqtrd | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ F e. T ) -> ( ( ( F ` P ) .\/ ( F ` Q ) ) ./\ W ) = U ) |