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Description: TODO: FIX COMMENT. (Contributed by NM, 8-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 | cdlemg17a | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( G e. T /\ ( R ` G ) .<_ ( P .\/ Q ) ) ) -> ( G ` P ) .<_ ( P .\/ Q ) ) |
| 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 | eqid | |- ( Base ` K ) = ( Base ` K ) |
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| 9 | simp1l | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( G e. T /\ ( R ` G ) .<_ ( P .\/ Q ) ) ) -> K e. HL ) |
|
| 10 | 9 | hllatd | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( G e. T /\ ( R ` G ) .<_ ( P .\/ Q ) ) ) -> K e. Lat ) |
| 11 | simp1 | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( G e. T /\ ( R ` G ) .<_ ( P .\/ Q ) ) ) -> ( K e. HL /\ W e. H ) ) |
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| 12 | simp3l | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( G e. T /\ ( R ` G ) .<_ ( P .\/ Q ) ) ) -> G e. T ) |
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| 13 | simp2ll | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( G e. T /\ ( R ` G ) .<_ ( P .\/ Q ) ) ) -> P e. A ) |
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| 14 | 1 4 5 6 | ltrnat | |- ( ( ( K e. HL /\ W e. H ) /\ G e. T /\ P e. A ) -> ( G ` P ) e. A ) |
| 15 | 11 12 13 14 | syl3anc | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( G e. T /\ ( R ` G ) .<_ ( P .\/ Q ) ) ) -> ( G ` P ) e. A ) |
| 16 | 8 4 | atbase | |- ( ( G ` P ) e. A -> ( G ` P ) e. ( Base ` K ) ) |
| 17 | 15 16 | syl | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( G e. T /\ ( R ` G ) .<_ ( P .\/ Q ) ) ) -> ( G ` P ) e. ( Base ` K ) ) |
| 18 | 8 2 4 | hlatjcl | |- ( ( K e. HL /\ P e. A /\ ( G ` P ) e. A ) -> ( P .\/ ( G ` P ) ) e. ( Base ` K ) ) |
| 19 | 9 13 15 18 | syl3anc | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( G e. T /\ ( R ` G ) .<_ ( P .\/ Q ) ) ) -> ( P .\/ ( G ` P ) ) e. ( Base ` K ) ) |
| 20 | simp2rl | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( G e. T /\ ( R ` G ) .<_ ( P .\/ Q ) ) ) -> Q e. A ) |
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| 21 | 8 2 4 | hlatjcl | |- ( ( K e. HL /\ P e. A /\ Q e. A ) -> ( P .\/ Q ) e. ( Base ` K ) ) |
| 22 | 9 13 20 21 | syl3anc | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( G e. T /\ ( R ` G ) .<_ ( P .\/ Q ) ) ) -> ( P .\/ Q ) e. ( Base ` K ) ) |
| 23 | 1 2 4 | hlatlej2 | |- ( ( K e. HL /\ P e. A /\ ( G ` P ) e. A ) -> ( G ` P ) .<_ ( P .\/ ( G ` P ) ) ) |
| 24 | 9 13 15 23 | syl3anc | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( G e. T /\ ( R ` G ) .<_ ( P .\/ Q ) ) ) -> ( G ` P ) .<_ ( P .\/ ( G ` P ) ) ) |
| 25 | simp2l | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( G e. T /\ ( R ` G ) .<_ ( P .\/ Q ) ) ) -> ( P e. A /\ -. P .<_ W ) ) |
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| 26 | eqid | |- ( ( P .\/ ( G ` P ) ) ./\ W ) = ( ( P .\/ ( G ` P ) ) ./\ W ) |
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| 27 | 1 2 3 4 5 26 | cdleme0cp | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( G ` P ) e. A ) ) -> ( P .\/ ( ( P .\/ ( G ` P ) ) ./\ W ) ) = ( P .\/ ( G ` P ) ) ) |
| 28 | 11 25 15 27 | syl12anc | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( G e. T /\ ( R ` G ) .<_ ( P .\/ Q ) ) ) -> ( P .\/ ( ( P .\/ ( G ` P ) ) ./\ W ) ) = ( P .\/ ( G ` P ) ) ) |
| 29 | 1 2 4 | hlatlej1 | |- ( ( K e. HL /\ P e. A /\ Q e. A ) -> P .<_ ( P .\/ Q ) ) |
| 30 | 9 13 20 29 | syl3anc | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( G e. T /\ ( R ` G ) .<_ ( P .\/ Q ) ) ) -> P .<_ ( P .\/ Q ) ) |
| 31 | 1 2 3 4 5 6 7 | trlval2 | |- ( ( ( K e. HL /\ W e. H ) /\ G e. T /\ ( P e. A /\ -. P .<_ W ) ) -> ( R ` G ) = ( ( P .\/ ( G ` P ) ) ./\ W ) ) |
| 32 | 11 12 25 31 | syl3anc | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( G e. T /\ ( R ` G ) .<_ ( P .\/ Q ) ) ) -> ( R ` G ) = ( ( P .\/ ( G ` P ) ) ./\ W ) ) |
| 33 | simp3r | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( G e. T /\ ( R ` G ) .<_ ( P .\/ Q ) ) ) -> ( R ` G ) .<_ ( P .\/ Q ) ) |
|
| 34 | 32 33 | eqbrtrrd | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( G e. T /\ ( R ` G ) .<_ ( P .\/ Q ) ) ) -> ( ( P .\/ ( G ` P ) ) ./\ W ) .<_ ( P .\/ Q ) ) |
| 35 | 8 4 | atbase | |- ( P e. A -> P e. ( Base ` K ) ) |
| 36 | 13 35 | syl | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( G e. T /\ ( R ` G ) .<_ ( P .\/ Q ) ) ) -> P e. ( Base ` K ) ) |
| 37 | simp1r | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( G e. T /\ ( R ` G ) .<_ ( P .\/ Q ) ) ) -> W e. H ) |
|
| 38 | 8 5 | lhpbase | |- ( W e. H -> W e. ( Base ` K ) ) |
| 39 | 37 38 | syl | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( G e. T /\ ( R ` G ) .<_ ( P .\/ Q ) ) ) -> W e. ( Base ` K ) ) |
| 40 | 8 3 | latmcl | |- ( ( K e. Lat /\ ( P .\/ ( G ` P ) ) e. ( Base ` K ) /\ W e. ( Base ` K ) ) -> ( ( P .\/ ( G ` P ) ) ./\ W ) e. ( Base ` K ) ) |
| 41 | 10 19 39 40 | syl3anc | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( G e. T /\ ( R ` G ) .<_ ( P .\/ Q ) ) ) -> ( ( P .\/ ( G ` P ) ) ./\ W ) e. ( Base ` K ) ) |
| 42 | 8 1 2 | latjle12 | |- ( ( K e. Lat /\ ( P e. ( Base ` K ) /\ ( ( P .\/ ( G ` P ) ) ./\ W ) e. ( Base ` K ) /\ ( P .\/ Q ) e. ( Base ` K ) ) ) -> ( ( P .<_ ( P .\/ Q ) /\ ( ( P .\/ ( G ` P ) ) ./\ W ) .<_ ( P .\/ Q ) ) <-> ( P .\/ ( ( P .\/ ( G ` P ) ) ./\ W ) ) .<_ ( P .\/ Q ) ) ) |
| 43 | 10 36 41 22 42 | syl13anc | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( G e. T /\ ( R ` G ) .<_ ( P .\/ Q ) ) ) -> ( ( P .<_ ( P .\/ Q ) /\ ( ( P .\/ ( G ` P ) ) ./\ W ) .<_ ( P .\/ Q ) ) <-> ( P .\/ ( ( P .\/ ( G ` P ) ) ./\ W ) ) .<_ ( P .\/ Q ) ) ) |
| 44 | 30 34 43 | mpbi2and | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( G e. T /\ ( R ` G ) .<_ ( P .\/ Q ) ) ) -> ( P .\/ ( ( P .\/ ( G ` P ) ) ./\ W ) ) .<_ ( P .\/ Q ) ) |
| 45 | 28 44 | eqbrtrrd | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( G e. T /\ ( R ` G ) .<_ ( P .\/ Q ) ) ) -> ( P .\/ ( G ` P ) ) .<_ ( P .\/ Q ) ) |
| 46 | 8 1 10 17 19 22 24 45 | lattrd | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( G e. T /\ ( R ` G ) .<_ ( P .\/ Q ) ) ) -> ( G ` P ) .<_ ( P .\/ Q ) ) |