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Description: TODO: FIX COMMENT. (Contributed by NM, 6-May-2013)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | cdlemg12.l | |- .<_ = ( le ` K ) |
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| cdlemg12.j | |- .\/ = ( join ` K ) |
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| cdlemg12.m | |- ./\ = ( meet ` K ) |
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| cdlemg12.a | |- A = ( Atoms ` K ) |
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| cdlemg12.h | |- H = ( LHyp ` K ) |
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| cdlemg12.t | |- T = ( ( LTrn ` K ) ` W ) |
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| cdlemg12b.r | |- R = ( ( trL ` K ) ` W ) |
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| Assertion | cdlemg14f | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ ( F ` P ) = P ) ) -> ( ( P .\/ ( F ` ( G ` P ) ) ) ./\ W ) = ( ( Q .\/ ( F ` ( G ` Q ) ) ) ./\ W ) ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cdlemg12.l | |- .<_ = ( le ` K ) |
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| 2 | cdlemg12.j | |- .\/ = ( join ` K ) |
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| 3 | cdlemg12.m | |- ./\ = ( meet ` K ) |
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| 4 | cdlemg12.a | |- A = ( Atoms ` K ) |
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| 5 | cdlemg12.h | |- H = ( LHyp ` K ) |
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| 6 | cdlemg12.t | |- T = ( ( LTrn ` K ) ` W ) |
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| 7 | cdlemg12b.r | |- R = ( ( trL ` K ) ` W ) |
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| 8 | simp1 | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ ( F ` P ) = P ) ) -> ( K e. HL /\ W e. H ) ) |
|
| 9 | simp32 | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ ( F ` P ) = P ) ) -> G e. T ) |
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| 10 | simp2l | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ ( F ` P ) = P ) ) -> ( P e. A /\ -. P .<_ W ) ) |
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| 11 | simp2r | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ ( F ` P ) = P ) ) -> ( Q e. A /\ -. Q .<_ W ) ) |
|
| 12 | 1 2 3 4 5 6 | ltrnu | |- ( ( ( ( K e. HL /\ W e. H ) /\ G e. T ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) -> ( ( P .\/ ( G ` P ) ) ./\ W ) = ( ( Q .\/ ( G ` Q ) ) ./\ W ) ) |
| 13 | 8 9 10 11 12 | syl211anc | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ ( F ` P ) = P ) ) -> ( ( P .\/ ( G ` P ) ) ./\ W ) = ( ( Q .\/ ( G ` Q ) ) ./\ W ) ) |
| 14 | simp31 | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ ( F ` P ) = P ) ) -> F e. T ) |
|
| 15 | 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 ) ) |
| 16 | 8 9 10 15 | syl3anc | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ ( F ` P ) = P ) ) -> ( ( G ` P ) e. A /\ -. ( G ` P ) .<_ W ) ) |
| 17 | simp33 | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ ( F ` P ) = P ) ) -> ( F ` P ) = P ) |
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| 18 | 1 4 5 6 | ltrnateq | |- ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ ( P e. A /\ -. P .<_ W ) /\ ( ( G ` P ) e. A /\ -. ( G ` P ) .<_ W ) ) /\ ( F ` P ) = P ) -> ( F ` ( G ` P ) ) = ( G ` P ) ) |
| 19 | 8 14 10 16 17 18 | syl131anc | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ ( F ` P ) = P ) ) -> ( F ` ( G ` P ) ) = ( G ` P ) ) |
| 20 | 19 | oveq2d | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ ( F ` P ) = P ) ) -> ( P .\/ ( F ` ( G ` P ) ) ) = ( P .\/ ( G ` P ) ) ) |
| 21 | 20 | oveq1d | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ ( F ` P ) = P ) ) -> ( ( P .\/ ( F ` ( G ` P ) ) ) ./\ W ) = ( ( P .\/ ( G ` P ) ) ./\ W ) ) |
| 22 | 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 ) ) |
| 23 | 8 9 11 22 | syl3anc | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ ( F ` P ) = P ) ) -> ( ( G ` Q ) e. A /\ -. ( G ` Q ) .<_ W ) ) |
| 24 | 1 4 5 6 | ltrnateq | |- ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ ( P e. A /\ -. P .<_ W ) /\ ( ( G ` Q ) e. A /\ -. ( G ` Q ) .<_ W ) ) /\ ( F ` P ) = P ) -> ( F ` ( G ` Q ) ) = ( G ` Q ) ) |
| 25 | 8 14 10 23 17 24 | syl131anc | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ ( F ` P ) = P ) ) -> ( F ` ( G ` Q ) ) = ( G ` Q ) ) |
| 26 | 25 | oveq2d | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ ( F ` P ) = P ) ) -> ( Q .\/ ( F ` ( G ` Q ) ) ) = ( Q .\/ ( G ` Q ) ) ) |
| 27 | 26 | oveq1d | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ ( F ` P ) = P ) ) -> ( ( Q .\/ ( F ` ( G ` Q ) ) ) ./\ W ) = ( ( Q .\/ ( G ` Q ) ) ./\ W ) ) |
| 28 | 13 21 27 | 3eqtr4d | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( F e. T /\ G e. T /\ ( F ` P ) = P ) ) -> ( ( P .\/ ( F ` ( G ` P ) ) ) ./\ W ) = ( ( Q .\/ ( F ` ( G ` Q ) ) ) ./\ W ) ) |