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Description: TODO: FIX COMMENT. (Contributed by NM, 27-Apr-2013)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | cdlemg4.l | |- .<_ = ( le ` K ) |
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| cdlemg4.a | |- A = ( Atoms ` K ) |
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| cdlemg4.h | |- H = ( LHyp ` K ) |
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| cdlemg4.t | |- T = ( ( LTrn ` K ) ` W ) |
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| cdlemg4.r | |- R = ( ( trL ` K ) ` W ) |
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| cdlemg4.j | |- .\/ = ( join ` K ) |
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| cdlemg4b.v | |- V = ( R ` G ) |
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| Assertion | cdlemg6e | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) /\ F e. T ) /\ ( G e. T /\ Q .<_ ( P .\/ V ) /\ ( F ` ( G ` P ) ) = P ) ) -> ( F ` ( G ` Q ) ) = Q ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cdlemg4.l | |- .<_ = ( le ` K ) |
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| 2 | cdlemg4.a | |- A = ( Atoms ` K ) |
|
| 3 | cdlemg4.h | |- H = ( LHyp ` K ) |
|
| 4 | cdlemg4.t | |- T = ( ( LTrn ` K ) ` W ) |
|
| 5 | cdlemg4.r | |- R = ( ( trL ` K ) ` W ) |
|
| 6 | cdlemg4.j | |- .\/ = ( join ` K ) |
|
| 7 | cdlemg4b.v | |- V = ( R ` G ) |
|
| 8 | simp1 | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) /\ F e. T ) /\ ( G e. T /\ Q .<_ ( P .\/ V ) /\ ( F ` ( G ` P ) ) = P ) ) -> ( K e. HL /\ W e. H ) ) |
|
| 9 | simp21 | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) /\ F e. T ) /\ ( G e. T /\ Q .<_ ( P .\/ V ) /\ ( F ` ( G ` P ) ) = P ) ) -> ( P e. A /\ -. P .<_ W ) ) |
|
| 10 | simp31 | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) /\ F e. T ) /\ ( G e. T /\ Q .<_ ( P .\/ V ) /\ ( F ` ( G ` P ) ) = P ) ) -> G e. T ) |
|
| 11 | 1 2 3 4 | ltrnel | |- ( ( ( K e. HL /\ W e. H ) /\ G e. T /\ ( P e. A /\ -. P .<_ W ) ) -> ( ( G ` P ) e. A /\ -. ( G ` P ) .<_ W ) ) |
| 12 | 8 10 9 11 | syl3anc | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) /\ F e. T ) /\ ( G e. T /\ Q .<_ ( P .\/ V ) /\ ( F ` ( G ` P ) ) = P ) ) -> ( ( G ` P ) e. A /\ -. ( G ` P ) .<_ W ) ) |
| 13 | 1 6 2 3 | cdlemb3 | |- ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( ( G ` P ) e. A /\ -. ( G ` P ) .<_ W ) ) -> E. r e. A ( -. r .<_ W /\ -. r .<_ ( P .\/ ( G ` P ) ) ) ) |
| 14 | 8 9 12 13 | syl3anc | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) /\ F e. T ) /\ ( G e. T /\ Q .<_ ( P .\/ V ) /\ ( F ` ( G ` P ) ) = P ) ) -> E. r e. A ( -. r .<_ W /\ -. r .<_ ( P .\/ ( G ` P ) ) ) ) |
| 15 | 1 2 3 4 5 6 7 | cdlemg6d | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) /\ F e. T ) /\ ( G e. T /\ Q .<_ ( P .\/ V ) /\ ( F ` ( G ` P ) ) = P ) ) -> ( ( ( r e. A /\ -. r .<_ W ) /\ -. r .<_ ( P .\/ ( G ` P ) ) ) -> ( F ` ( G ` Q ) ) = Q ) ) |
| 16 | 15 | exp4c | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) /\ F e. T ) /\ ( G e. T /\ Q .<_ ( P .\/ V ) /\ ( F ` ( G ` P ) ) = P ) ) -> ( r e. A -> ( -. r .<_ W -> ( -. r .<_ ( P .\/ ( G ` P ) ) -> ( F ` ( G ` Q ) ) = Q ) ) ) ) |
| 17 | 16 | imp4a | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) /\ F e. T ) /\ ( G e. T /\ Q .<_ ( P .\/ V ) /\ ( F ` ( G ` P ) ) = P ) ) -> ( r e. A -> ( ( -. r .<_ W /\ -. r .<_ ( P .\/ ( G ` P ) ) ) -> ( F ` ( G ` Q ) ) = Q ) ) ) |
| 18 | 17 | rexlimdv | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) /\ F e. T ) /\ ( G e. T /\ Q .<_ ( P .\/ V ) /\ ( F ` ( G ` P ) ) = P ) ) -> ( E. r e. A ( -. r .<_ W /\ -. r .<_ ( P .\/ ( G ` P ) ) ) -> ( F ` ( G ` Q ) ) = Q ) ) |
| 19 | 14 18 | mpd | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) /\ F e. T ) /\ ( G e. T /\ Q .<_ ( P .\/ V ) /\ ( F ` ( G ` P ) ) = P ) ) -> ( F ` ( G ` Q ) ) = Q ) |