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Description: Part of proof of Lemma N of Crawley p. 121 line 36. (Contributed by NM, 27-Feb-2014)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | cdlemn8.b | |- B = ( Base ` K ) |
|
| cdlemn8.l | |- .<_ = ( le ` K ) |
||
| cdlemn8.a | |- A = ( Atoms ` K ) |
||
| cdlemn8.h | |- H = ( LHyp ` K ) |
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| cdlemn8.p | |- P = ( ( oc ` K ) ` W ) |
||
| cdlemn8.o | |- O = ( h e. T |-> ( _I |` B ) ) |
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| cdlemn8.t | |- T = ( ( LTrn ` K ) ` W ) |
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| cdlemn8.e | |- E = ( ( TEndo ` K ) ` W ) |
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| cdlemn8.u | |- U = ( ( DVecH ` K ) ` W ) |
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| cdlemn8.s | |- .+ = ( +g ` U ) |
||
| cdlemn8.f | |- F = ( iota_ h e. T ( h ` P ) = Q ) |
||
| cdlemn8.g | |- G = ( iota_ h e. T ( h ` P ) = R ) |
||
| Assertion | cdlemn9 | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( Q e. A /\ -. Q .<_ W ) /\ ( R e. A /\ -. R .<_ W ) ) /\ ( s e. E /\ g e. T /\ <. G , ( _I |` T ) >. = ( <. ( s ` F ) , s >. .+ <. g , O >. ) ) ) -> ( g ` Q ) = R ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cdlemn8.b | |- B = ( Base ` K ) |
|
| 2 | cdlemn8.l | |- .<_ = ( le ` K ) |
|
| 3 | cdlemn8.a | |- A = ( Atoms ` K ) |
|
| 4 | cdlemn8.h | |- H = ( LHyp ` K ) |
|
| 5 | cdlemn8.p | |- P = ( ( oc ` K ) ` W ) |
|
| 6 | cdlemn8.o | |- O = ( h e. T |-> ( _I |` B ) ) |
|
| 7 | cdlemn8.t | |- T = ( ( LTrn ` K ) ` W ) |
|
| 8 | cdlemn8.e | |- E = ( ( TEndo ` K ) ` W ) |
|
| 9 | cdlemn8.u | |- U = ( ( DVecH ` K ) ` W ) |
|
| 10 | cdlemn8.s | |- .+ = ( +g ` U ) |
|
| 11 | cdlemn8.f | |- F = ( iota_ h e. T ( h ` P ) = Q ) |
|
| 12 | cdlemn8.g | |- G = ( iota_ h e. T ( h ` P ) = R ) |
|
| 13 | 1 2 3 4 5 6 7 8 9 10 11 12 | cdlemn8 | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( Q e. A /\ -. Q .<_ W ) /\ ( R e. A /\ -. R .<_ W ) ) /\ ( s e. E /\ g e. T /\ <. G , ( _I |` T ) >. = ( <. ( s ` F ) , s >. .+ <. g , O >. ) ) ) -> g = ( G o. `' F ) ) |
| 14 | 13 | fveq1d | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( Q e. A /\ -. Q .<_ W ) /\ ( R e. A /\ -. R .<_ W ) ) /\ ( s e. E /\ g e. T /\ <. G , ( _I |` T ) >. = ( <. ( s ` F ) , s >. .+ <. g , O >. ) ) ) -> ( g ` Q ) = ( ( G o. `' F ) ` Q ) ) |
| 15 | simp1 | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( Q e. A /\ -. Q .<_ W ) /\ ( R e. A /\ -. R .<_ W ) ) /\ ( s e. E /\ g e. T /\ <. G , ( _I |` T ) >. = ( <. ( s ` F ) , s >. .+ <. g , O >. ) ) ) -> ( K e. HL /\ W e. H ) ) |
|
| 16 | 2 3 4 5 | lhpocnel2 | |- ( ( K e. HL /\ W e. H ) -> ( P e. A /\ -. P .<_ W ) ) |
| 17 | 16 | 3ad2ant1 | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( Q e. A /\ -. Q .<_ W ) /\ ( R e. A /\ -. R .<_ W ) ) /\ ( s e. E /\ g e. T /\ <. G , ( _I |` T ) >. = ( <. ( s ` F ) , s >. .+ <. g , O >. ) ) ) -> ( P e. A /\ -. P .<_ W ) ) |
| 18 | simp2l | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( Q e. A /\ -. Q .<_ W ) /\ ( R e. A /\ -. R .<_ W ) ) /\ ( s e. E /\ g e. T /\ <. G , ( _I |` T ) >. = ( <. ( s ` F ) , s >. .+ <. g , O >. ) ) ) -> ( Q e. A /\ -. Q .<_ W ) ) |
|
| 19 | 2 3 4 7 11 | ltrniotacl | |- ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) -> F e. T ) |
| 20 | 15 17 18 19 | syl3anc | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( Q e. A /\ -. Q .<_ W ) /\ ( R e. A /\ -. R .<_ W ) ) /\ ( s e. E /\ g e. T /\ <. G , ( _I |` T ) >. = ( <. ( s ` F ) , s >. .+ <. g , O >. ) ) ) -> F e. T ) |
| 21 | 1 4 7 | ltrn1o | |- ( ( ( K e. HL /\ W e. H ) /\ F e. T ) -> F : B -1-1-onto-> B ) |
| 22 | 15 20 21 | syl2anc | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( Q e. A /\ -. Q .<_ W ) /\ ( R e. A /\ -. R .<_ W ) ) /\ ( s e. E /\ g e. T /\ <. G , ( _I |` T ) >. = ( <. ( s ` F ) , s >. .+ <. g , O >. ) ) ) -> F : B -1-1-onto-> B ) |
| 23 | f1ocnv | |- ( F : B -1-1-onto-> B -> `' F : B -1-1-onto-> B ) |
|
| 24 | f1of | |- ( `' F : B -1-1-onto-> B -> `' F : B --> B ) |
|
| 25 | 22 23 24 | 3syl | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( Q e. A /\ -. Q .<_ W ) /\ ( R e. A /\ -. R .<_ W ) ) /\ ( s e. E /\ g e. T /\ <. G , ( _I |` T ) >. = ( <. ( s ` F ) , s >. .+ <. g , O >. ) ) ) -> `' F : B --> B ) |
| 26 | simp2ll | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( Q e. A /\ -. Q .<_ W ) /\ ( R e. A /\ -. R .<_ W ) ) /\ ( s e. E /\ g e. T /\ <. G , ( _I |` T ) >. = ( <. ( s ` F ) , s >. .+ <. g , O >. ) ) ) -> Q e. A ) |
|
| 27 | 1 3 | atbase | |- ( Q e. A -> Q e. B ) |
| 28 | 26 27 | syl | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( Q e. A /\ -. Q .<_ W ) /\ ( R e. A /\ -. R .<_ W ) ) /\ ( s e. E /\ g e. T /\ <. G , ( _I |` T ) >. = ( <. ( s ` F ) , s >. .+ <. g , O >. ) ) ) -> Q e. B ) |
| 29 | fvco3 | |- ( ( `' F : B --> B /\ Q e. B ) -> ( ( G o. `' F ) ` Q ) = ( G ` ( `' F ` Q ) ) ) |
|
| 30 | 25 28 29 | syl2anc | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( Q e. A /\ -. Q .<_ W ) /\ ( R e. A /\ -. R .<_ W ) ) /\ ( s e. E /\ g e. T /\ <. G , ( _I |` T ) >. = ( <. ( s ` F ) , s >. .+ <. g , O >. ) ) ) -> ( ( G o. `' F ) ` Q ) = ( G ` ( `' F ` Q ) ) ) |
| 31 | 2 3 4 7 11 | ltrniotacnvval | |- ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) -> ( `' F ` Q ) = P ) |
| 32 | 15 17 18 31 | syl3anc | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( Q e. A /\ -. Q .<_ W ) /\ ( R e. A /\ -. R .<_ W ) ) /\ ( s e. E /\ g e. T /\ <. G , ( _I |` T ) >. = ( <. ( s ` F ) , s >. .+ <. g , O >. ) ) ) -> ( `' F ` Q ) = P ) |
| 33 | 32 | fveq2d | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( Q e. A /\ -. Q .<_ W ) /\ ( R e. A /\ -. R .<_ W ) ) /\ ( s e. E /\ g e. T /\ <. G , ( _I |` T ) >. = ( <. ( s ` F ) , s >. .+ <. g , O >. ) ) ) -> ( G ` ( `' F ` Q ) ) = ( G ` P ) ) |
| 34 | simp2r | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( Q e. A /\ -. Q .<_ W ) /\ ( R e. A /\ -. R .<_ W ) ) /\ ( s e. E /\ g e. T /\ <. G , ( _I |` T ) >. = ( <. ( s ` F ) , s >. .+ <. g , O >. ) ) ) -> ( R e. A /\ -. R .<_ W ) ) |
|
| 35 | 2 3 4 7 12 | ltrniotaval | |- ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( R e. A /\ -. R .<_ W ) ) -> ( G ` P ) = R ) |
| 36 | 15 17 34 35 | syl3anc | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( Q e. A /\ -. Q .<_ W ) /\ ( R e. A /\ -. R .<_ W ) ) /\ ( s e. E /\ g e. T /\ <. G , ( _I |` T ) >. = ( <. ( s ` F ) , s >. .+ <. g , O >. ) ) ) -> ( G ` P ) = R ) |
| 37 | 33 36 | eqtrd | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( Q e. A /\ -. Q .<_ W ) /\ ( R e. A /\ -. R .<_ W ) ) /\ ( s e. E /\ g e. T /\ <. G , ( _I |` T ) >. = ( <. ( s ` F ) , s >. .+ <. g , O >. ) ) ) -> ( G ` ( `' F ` Q ) ) = R ) |
| 38 | 14 30 37 | 3eqtrd | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( Q e. A /\ -. Q .<_ W ) /\ ( R e. A /\ -. R .<_ W ) ) /\ ( s e. E /\ g e. T /\ <. G , ( _I |` T ) >. = ( <. ( s ` F ) , s >. .+ <. g , O >. ) ) ) -> ( g ` Q ) = R ) |