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Description: Part of proof of Lemma K of Crawley p. 118. Line 6, p. 120. G , I stand for g, h. X represents tau. TODO: Combine into cdlemk52 ? (Contributed by NM, 23-Jul-2013)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | cdlemk5.b | |- B = ( Base ` K ) |
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| cdlemk5.l | |- .<_ = ( le ` K ) |
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| cdlemk5.j | |- .\/ = ( join ` K ) |
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| cdlemk5.m | |- ./\ = ( meet ` K ) |
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| cdlemk5.a | |- A = ( Atoms ` K ) |
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| cdlemk5.h | |- H = ( LHyp ` K ) |
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| cdlemk5.t | |- T = ( ( LTrn ` K ) ` W ) |
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| cdlemk5.r | |- R = ( ( trL ` K ) ` W ) |
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| cdlemk5.z | |- Z = ( ( P .\/ ( R ` b ) ) ./\ ( ( N ` P ) .\/ ( R ` ( b o. `' F ) ) ) ) |
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| cdlemk5.y | |- Y = ( ( P .\/ ( R ` g ) ) ./\ ( Z .\/ ( R ` ( g o. `' b ) ) ) ) |
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| cdlemk5.x | |- X = ( iota_ z e. T A. b e. T ( ( b =/= ( _I |` B ) /\ ( R ` b ) =/= ( R ` F ) /\ ( R ` b ) =/= ( R ` g ) ) -> ( z ` P ) = Y ) ) |
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| Assertion | cdlemk50 | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ F =/= ( _I |` B ) ) /\ ( G e. T /\ G =/= ( _I |` B ) ) ) /\ ( N e. T /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( I e. T /\ I =/= ( _I |` B ) ) ) -> ( ( [_ G / g ]_ X o. [_ I / g ]_ X ) ` P ) .<_ ( ( ( [_ G / g ]_ X ` P ) .\/ ( R ` [_ I / g ]_ X ) ) ./\ ( ( [_ I / g ]_ X ` P ) .\/ ( R ` [_ G / g ]_ X ) ) ) ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cdlemk5.b | |- B = ( Base ` K ) |
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| 2 | cdlemk5.l | |- .<_ = ( le ` K ) |
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| 3 | cdlemk5.j | |- .\/ = ( join ` K ) |
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| 4 | cdlemk5.m | |- ./\ = ( meet ` K ) |
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| 5 | cdlemk5.a | |- A = ( Atoms ` K ) |
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| 6 | cdlemk5.h | |- H = ( LHyp ` K ) |
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| 7 | cdlemk5.t | |- T = ( ( LTrn ` K ) ` W ) |
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| 8 | cdlemk5.r | |- R = ( ( trL ` K ) ` W ) |
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| 9 | cdlemk5.z | |- Z = ( ( P .\/ ( R ` b ) ) ./\ ( ( N ` P ) .\/ ( R ` ( b o. `' F ) ) ) ) |
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| 10 | cdlemk5.y | |- Y = ( ( P .\/ ( R ` g ) ) ./\ ( Z .\/ ( R ` ( g o. `' b ) ) ) ) |
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| 11 | cdlemk5.x | |- X = ( iota_ z e. T A. b e. T ( ( b =/= ( _I |` B ) /\ ( R ` b ) =/= ( R ` F ) /\ ( R ` b ) =/= ( R ` g ) ) -> ( z ` P ) = Y ) ) |
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| 12 | 1 2 3 4 5 6 7 8 9 10 11 | cdlemk49 | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ F =/= ( _I |` B ) ) /\ ( G e. T /\ G =/= ( _I |` B ) ) ) /\ ( N e. T /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( I e. T /\ I =/= ( _I |` B ) ) ) -> ( ( [_ G / g ]_ X o. [_ I / g ]_ X ) ` P ) .<_ ( ( [_ G / g ]_ X ` P ) .\/ ( R ` [_ I / g ]_ X ) ) ) |
| 13 | 1 2 3 4 5 6 7 8 9 10 11 | cdlemk48 | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ F =/= ( _I |` B ) ) /\ ( G e. T /\ G =/= ( _I |` B ) ) ) /\ ( N e. T /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( I e. T /\ I =/= ( _I |` B ) ) ) -> ( ( [_ G / g ]_ X o. [_ I / g ]_ X ) ` P ) .<_ ( ( [_ I / g ]_ X ` P ) .\/ ( R ` [_ G / g ]_ X ) ) ) |
| 14 | simp11l | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ F =/= ( _I |` B ) ) /\ ( G e. T /\ G =/= ( _I |` B ) ) ) /\ ( N e. T /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( I e. T /\ I =/= ( _I |` B ) ) ) -> K e. HL ) |
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| 15 | 14 | hllatd | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ F =/= ( _I |` B ) ) /\ ( G e. T /\ G =/= ( _I |` B ) ) ) /\ ( N e. T /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( I e. T /\ I =/= ( _I |` B ) ) ) -> K e. Lat ) |
| 16 | simp11 | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ F =/= ( _I |` B ) ) /\ ( G e. T /\ G =/= ( _I |` B ) ) ) /\ ( N e. T /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( I e. T /\ I =/= ( _I |` B ) ) ) -> ( K e. HL /\ W e. H ) ) |
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| 17 | simp12 | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ F =/= ( _I |` B ) ) /\ ( G e. T /\ G =/= ( _I |` B ) ) ) /\ ( N e. T /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( I e. T /\ I =/= ( _I |` B ) ) ) -> ( F e. T /\ F =/= ( _I |` B ) ) ) |
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| 18 | simp13 | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ F =/= ( _I |` B ) ) /\ ( G e. T /\ G =/= ( _I |` B ) ) ) /\ ( N e. T /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( I e. T /\ I =/= ( _I |` B ) ) ) -> ( G e. T /\ G =/= ( _I |` B ) ) ) |
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| 19 | simp21 | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ F =/= ( _I |` B ) ) /\ ( G e. T /\ G =/= ( _I |` B ) ) ) /\ ( N e. T /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( I e. T /\ I =/= ( _I |` B ) ) ) -> N e. T ) |
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| 20 | simp22 | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ F =/= ( _I |` B ) ) /\ ( G e. T /\ G =/= ( _I |` B ) ) ) /\ ( N e. T /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( I e. T /\ I =/= ( _I |` B ) ) ) -> ( P e. A /\ -. P .<_ W ) ) |
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| 21 | simp23 | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ F =/= ( _I |` B ) ) /\ ( G e. T /\ G =/= ( _I |` B ) ) ) /\ ( N e. T /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( I e. T /\ I =/= ( _I |` B ) ) ) -> ( R ` F ) = ( R ` N ) ) |
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| 22 | 1 2 3 4 5 6 7 8 9 10 11 | cdlemk35s | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( F e. T /\ F =/= ( _I |` B ) ) /\ ( G e. T /\ G =/= ( _I |` B ) ) /\ N e. T ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) ) -> [_ G / g ]_ X e. T ) |
| 23 | 16 17 18 19 20 21 22 | syl132anc | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ F =/= ( _I |` B ) ) /\ ( G e. T /\ G =/= ( _I |` B ) ) ) /\ ( N e. T /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( I e. T /\ I =/= ( _I |` B ) ) ) -> [_ G / g ]_ X e. T ) |
| 24 | simp3 | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ F =/= ( _I |` B ) ) /\ ( G e. T /\ G =/= ( _I |` B ) ) ) /\ ( N e. T /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( I e. T /\ I =/= ( _I |` B ) ) ) -> ( I e. T /\ I =/= ( _I |` B ) ) ) |
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| 25 | 1 2 3 4 5 6 7 8 9 10 11 | cdlemk35s | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( F e. T /\ F =/= ( _I |` B ) ) /\ ( I e. T /\ I =/= ( _I |` B ) ) /\ N e. T ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) ) -> [_ I / g ]_ X e. T ) |
| 26 | 16 17 24 19 20 21 25 | syl132anc | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ F =/= ( _I |` B ) ) /\ ( G e. T /\ G =/= ( _I |` B ) ) ) /\ ( N e. T /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( I e. T /\ I =/= ( _I |` B ) ) ) -> [_ I / g ]_ X e. T ) |
| 27 | 6 7 | ltrnco | |- ( ( ( K e. HL /\ W e. H ) /\ [_ G / g ]_ X e. T /\ [_ I / g ]_ X e. T ) -> ( [_ G / g ]_ X o. [_ I / g ]_ X ) e. T ) |
| 28 | 16 23 26 27 | syl3anc | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ F =/= ( _I |` B ) ) /\ ( G e. T /\ G =/= ( _I |` B ) ) ) /\ ( N e. T /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( I e. T /\ I =/= ( _I |` B ) ) ) -> ( [_ G / g ]_ X o. [_ I / g ]_ X ) e. T ) |
| 29 | simp22l | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ F =/= ( _I |` B ) ) /\ ( G e. T /\ G =/= ( _I |` B ) ) ) /\ ( N e. T /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( I e. T /\ I =/= ( _I |` B ) ) ) -> P e. A ) |
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| 30 | 2 5 6 7 | ltrnat | |- ( ( ( K e. HL /\ W e. H ) /\ ( [_ G / g ]_ X o. [_ I / g ]_ X ) e. T /\ P e. A ) -> ( ( [_ G / g ]_ X o. [_ I / g ]_ X ) ` P ) e. A ) |
| 31 | 16 28 29 30 | syl3anc | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ F =/= ( _I |` B ) ) /\ ( G e. T /\ G =/= ( _I |` B ) ) ) /\ ( N e. T /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( I e. T /\ I =/= ( _I |` B ) ) ) -> ( ( [_ G / g ]_ X o. [_ I / g ]_ X ) ` P ) e. A ) |
| 32 | 1 5 | atbase | |- ( ( ( [_ G / g ]_ X o. [_ I / g ]_ X ) ` P ) e. A -> ( ( [_ G / g ]_ X o. [_ I / g ]_ X ) ` P ) e. B ) |
| 33 | 31 32 | syl | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ F =/= ( _I |` B ) ) /\ ( G e. T /\ G =/= ( _I |` B ) ) ) /\ ( N e. T /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( I e. T /\ I =/= ( _I |` B ) ) ) -> ( ( [_ G / g ]_ X o. [_ I / g ]_ X ) ` P ) e. B ) |
| 34 | 2 5 6 7 | ltrnat | |- ( ( ( K e. HL /\ W e. H ) /\ [_ G / g ]_ X e. T /\ P e. A ) -> ( [_ G / g ]_ X ` P ) e. A ) |
| 35 | 16 23 29 34 | syl3anc | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ F =/= ( _I |` B ) ) /\ ( G e. T /\ G =/= ( _I |` B ) ) ) /\ ( N e. T /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( I e. T /\ I =/= ( _I |` B ) ) ) -> ( [_ G / g ]_ X ` P ) e. A ) |
| 36 | 1 5 | atbase | |- ( ( [_ G / g ]_ X ` P ) e. A -> ( [_ G / g ]_ X ` P ) e. B ) |
| 37 | 35 36 | syl | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ F =/= ( _I |` B ) ) /\ ( G e. T /\ G =/= ( _I |` B ) ) ) /\ ( N e. T /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( I e. T /\ I =/= ( _I |` B ) ) ) -> ( [_ G / g ]_ X ` P ) e. B ) |
| 38 | 1 6 7 8 | trlcl | |- ( ( ( K e. HL /\ W e. H ) /\ [_ I / g ]_ X e. T ) -> ( R ` [_ I / g ]_ X ) e. B ) |
| 39 | 16 26 38 | syl2anc | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ F =/= ( _I |` B ) ) /\ ( G e. T /\ G =/= ( _I |` B ) ) ) /\ ( N e. T /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( I e. T /\ I =/= ( _I |` B ) ) ) -> ( R ` [_ I / g ]_ X ) e. B ) |
| 40 | 1 3 | latjcl | |- ( ( K e. Lat /\ ( [_ G / g ]_ X ` P ) e. B /\ ( R ` [_ I / g ]_ X ) e. B ) -> ( ( [_ G / g ]_ X ` P ) .\/ ( R ` [_ I / g ]_ X ) ) e. B ) |
| 41 | 15 37 39 40 | syl3anc | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ F =/= ( _I |` B ) ) /\ ( G e. T /\ G =/= ( _I |` B ) ) ) /\ ( N e. T /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( I e. T /\ I =/= ( _I |` B ) ) ) -> ( ( [_ G / g ]_ X ` P ) .\/ ( R ` [_ I / g ]_ X ) ) e. B ) |
| 42 | 2 5 6 7 | ltrnat | |- ( ( ( K e. HL /\ W e. H ) /\ [_ I / g ]_ X e. T /\ P e. A ) -> ( [_ I / g ]_ X ` P ) e. A ) |
| 43 | 16 26 29 42 | syl3anc | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ F =/= ( _I |` B ) ) /\ ( G e. T /\ G =/= ( _I |` B ) ) ) /\ ( N e. T /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( I e. T /\ I =/= ( _I |` B ) ) ) -> ( [_ I / g ]_ X ` P ) e. A ) |
| 44 | 1 5 | atbase | |- ( ( [_ I / g ]_ X ` P ) e. A -> ( [_ I / g ]_ X ` P ) e. B ) |
| 45 | 43 44 | syl | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ F =/= ( _I |` B ) ) /\ ( G e. T /\ G =/= ( _I |` B ) ) ) /\ ( N e. T /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( I e. T /\ I =/= ( _I |` B ) ) ) -> ( [_ I / g ]_ X ` P ) e. B ) |
| 46 | 1 6 7 8 | trlcl | |- ( ( ( K e. HL /\ W e. H ) /\ [_ G / g ]_ X e. T ) -> ( R ` [_ G / g ]_ X ) e. B ) |
| 47 | 16 23 46 | syl2anc | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ F =/= ( _I |` B ) ) /\ ( G e. T /\ G =/= ( _I |` B ) ) ) /\ ( N e. T /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( I e. T /\ I =/= ( _I |` B ) ) ) -> ( R ` [_ G / g ]_ X ) e. B ) |
| 48 | 1 3 | latjcl | |- ( ( K e. Lat /\ ( [_ I / g ]_ X ` P ) e. B /\ ( R ` [_ G / g ]_ X ) e. B ) -> ( ( [_ I / g ]_ X ` P ) .\/ ( R ` [_ G / g ]_ X ) ) e. B ) |
| 49 | 15 45 47 48 | syl3anc | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ F =/= ( _I |` B ) ) /\ ( G e. T /\ G =/= ( _I |` B ) ) ) /\ ( N e. T /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( I e. T /\ I =/= ( _I |` B ) ) ) -> ( ( [_ I / g ]_ X ` P ) .\/ ( R ` [_ G / g ]_ X ) ) e. B ) |
| 50 | 1 2 4 | latlem12 | |- ( ( K e. Lat /\ ( ( ( [_ G / g ]_ X o. [_ I / g ]_ X ) ` P ) e. B /\ ( ( [_ G / g ]_ X ` P ) .\/ ( R ` [_ I / g ]_ X ) ) e. B /\ ( ( [_ I / g ]_ X ` P ) .\/ ( R ` [_ G / g ]_ X ) ) e. B ) ) -> ( ( ( ( [_ G / g ]_ X o. [_ I / g ]_ X ) ` P ) .<_ ( ( [_ G / g ]_ X ` P ) .\/ ( R ` [_ I / g ]_ X ) ) /\ ( ( [_ G / g ]_ X o. [_ I / g ]_ X ) ` P ) .<_ ( ( [_ I / g ]_ X ` P ) .\/ ( R ` [_ G / g ]_ X ) ) ) <-> ( ( [_ G / g ]_ X o. [_ I / g ]_ X ) ` P ) .<_ ( ( ( [_ G / g ]_ X ` P ) .\/ ( R ` [_ I / g ]_ X ) ) ./\ ( ( [_ I / g ]_ X ` P ) .\/ ( R ` [_ G / g ]_ X ) ) ) ) ) |
| 51 | 15 33 41 49 50 | syl13anc | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ F =/= ( _I |` B ) ) /\ ( G e. T /\ G =/= ( _I |` B ) ) ) /\ ( N e. T /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( I e. T /\ I =/= ( _I |` B ) ) ) -> ( ( ( ( [_ G / g ]_ X o. [_ I / g ]_ X ) ` P ) .<_ ( ( [_ G / g ]_ X ` P ) .\/ ( R ` [_ I / g ]_ X ) ) /\ ( ( [_ G / g ]_ X o. [_ I / g ]_ X ) ` P ) .<_ ( ( [_ I / g ]_ X ` P ) .\/ ( R ` [_ G / g ]_ X ) ) ) <-> ( ( [_ G / g ]_ X o. [_ I / g ]_ X ) ` P ) .<_ ( ( ( [_ G / g ]_ X ` P ) .\/ ( R ` [_ I / g ]_ X ) ) ./\ ( ( [_ I / g ]_ X ` P ) .\/ ( R ` [_ G / g ]_ X ) ) ) ) ) |
| 52 | 12 13 51 | mpbi2and | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( F e. T /\ F =/= ( _I |` B ) ) /\ ( G e. T /\ G =/= ( _I |` B ) ) ) /\ ( N e. T /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( I e. T /\ I =/= ( _I |` B ) ) ) -> ( ( [_ G / g ]_ X o. [_ I / g ]_ X ) ` P ) .<_ ( ( ( [_ G / g ]_ X ` P ) .\/ ( R ` [_ I / g ]_ X ) ) ./\ ( ( [_ I / g ]_ X ` P ) .\/ ( R ` [_ G / g ]_ X ) ) ) ) |