cdlemk21N

Description: Part of proof of Lemma K of Crawley p. 118. Lines 26-27, p. 119 for i=0 and j=1. (Contributed by NM, 5-Jul-2013) (New usage is discouraged.)

	Ref	Expression
Hypotheses	cdlemk1.b	\|- B = ( Base ` K )
	cdlemk1.l	\|- .<_ = ( le ` K )
	cdlemk1.j	\|- .\/ = ( join ` K )
	cdlemk1.m	\|- ./\ = ( meet ` K )
	cdlemk1.a	\|- A = ( Atoms ` K )
	cdlemk1.h	\|- H = ( LHyp ` K )
	cdlemk1.t	\|- T = ( ( LTrn ` K ) ` W )
	cdlemk1.r	\|- R = ( ( trL ` K ) ` W )
	cdlemk1.s	\|- S = ( f e. T \|-> ( iota_ i e. T ( i ` P ) = ( ( P .\/ ( R ` f ) ) ./\ ( ( N ` P ) .\/ ( R ` ( f o. `' F ) ) ) ) ) )
	cdlemk1.o	\|- O = ( S ` D )
	cdlemk1.u	\|- U = ( e e. T \|-> ( iota_ j e. T ( j ` P ) = ( ( P .\/ ( R ` e ) ) ./\ ( ( O ` P ) .\/ ( R ` ( e o. `' D ) ) ) ) ) )
Assertion	cdlemk21N	\|- ( ( ( ( K e. HL /\ W e. H ) /\ F e. T /\ D e. T ) /\ ( ( N e. T /\ G e. T ) /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( ( F =/= ( _I \|` B ) /\ D =/= ( _I \|` B ) /\ G =/= ( _I \|` B ) ) /\ ( ( R ` D ) =/= ( R ` F ) /\ ( R ` G ) =/= ( R ` D ) /\ ( R ` G ) =/= ( R ` F ) ) ) ) -> ( ( S ` G ) ` P ) = ( ( U ` G ) ` P ) )

Proof

Step	Hyp	Ref	Expression
1		cdlemk1.b	\|- B = ( Base ` K )
2		cdlemk1.l	\|- .<_ = ( le ` K )
3		cdlemk1.j	\|- .\/ = ( join ` K )
4		cdlemk1.m	\|- ./\ = ( meet ` K )
5		cdlemk1.a	\|- A = ( Atoms ` K )
6		cdlemk1.h	\|- H = ( LHyp ` K )
7		cdlemk1.t	\|- T = ( ( LTrn ` K ) ` W )
8		cdlemk1.r	\|- R = ( ( trL ` K ) ` W )
9		cdlemk1.s	\|- S = ( f e. T \|-> ( iota_ i e. T ( i ` P ) = ( ( P .\/ ( R ` f ) ) ./\ ( ( N ` P ) .\/ ( R ` ( f o. `' F ) ) ) ) ) )
10		cdlemk1.o	\|- O = ( S ` D )
11		cdlemk1.u	\|- U = ( e e. T \|-> ( iota_ j e. T ( j ` P ) = ( ( P .\/ ( R ` e ) ) ./\ ( ( O ` P ) .\/ ( R ` ( e o. `' D ) ) ) ) ) )
12		simp11	\|- ( ( ( ( K e. HL /\ W e. H ) /\ F e. T /\ D e. T ) /\ ( ( N e. T /\ G e. T ) /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( ( F =/= ( _I \|` B ) /\ D =/= ( _I \|` B ) /\ G =/= ( _I \|` B ) ) /\ ( ( R ` D ) =/= ( R ` F ) /\ ( R ` G ) =/= ( R ` D ) /\ ( R ` G ) =/= ( R ` F ) ) ) ) -> ( K e. HL /\ W e. H ) )
13		simp21r	\|- ( ( ( ( K e. HL /\ W e. H ) /\ F e. T /\ D e. T ) /\ ( ( N e. T /\ G e. T ) /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( ( F =/= ( _I \|` B ) /\ D =/= ( _I \|` B ) /\ G =/= ( _I \|` B ) ) /\ ( ( R ` D ) =/= ( R ` F ) /\ ( R ` G ) =/= ( R ` D ) /\ ( R ` G ) =/= ( R ` F ) ) ) ) -> G e. T )
14		simp22	\|- ( ( ( ( K e. HL /\ W e. H ) /\ F e. T /\ D e. T ) /\ ( ( N e. T /\ G e. T ) /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( ( F =/= ( _I \|` B ) /\ D =/= ( _I \|` B ) /\ G =/= ( _I \|` B ) ) /\ ( ( R ` D ) =/= ( R ` F ) /\ ( R ` G ) =/= ( R ` D ) /\ ( R ` G ) =/= ( R ` F ) ) ) ) -> ( P e. A /\ -. P .<_ W ) )
15	2 3 5 6 7 8	trljat1	\|- ( ( ( K e. HL /\ W e. H ) /\ G e. T /\ ( P e. A /\ -. P .<_ W ) ) -> ( P .\/ ( R ` G ) ) = ( P .\/ ( G ` P ) ) )
16	12 13 14 15	syl3anc	\|- ( ( ( ( K e. HL /\ W e. H ) /\ F e. T /\ D e. T ) /\ ( ( N e. T /\ G e. T ) /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( ( F =/= ( _I \|` B ) /\ D =/= ( _I \|` B ) /\ G =/= ( _I \|` B ) ) /\ ( ( R ` D ) =/= ( R ` F ) /\ ( R ` G ) =/= ( R ` D ) /\ ( R ` G ) =/= ( R ` F ) ) ) ) -> ( P .\/ ( R ` G ) ) = ( P .\/ ( G ` P ) ) )
17	10	fveq1i	\|- ( O ` P ) = ( ( S ` D ) ` P )
18	17	a1i	\|- ( ( ( ( K e. HL /\ W e. H ) /\ F e. T /\ D e. T ) /\ ( ( N e. T /\ G e. T ) /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( ( F =/= ( _I \|` B ) /\ D =/= ( _I \|` B ) /\ G =/= ( _I \|` B ) ) /\ ( ( R ` D ) =/= ( R ` F ) /\ ( R ` G ) =/= ( R ` D ) /\ ( R ` G ) =/= ( R ` F ) ) ) ) -> ( O ` P ) = ( ( S ` D ) ` P ) )
19		simp13	\|- ( ( ( ( K e. HL /\ W e. H ) /\ F e. T /\ D e. T ) /\ ( ( N e. T /\ G e. T ) /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( ( F =/= ( _I \|` B ) /\ D =/= ( _I \|` B ) /\ G =/= ( _I \|` B ) ) /\ ( ( R ` D ) =/= ( R ` F ) /\ ( R ` G ) =/= ( R ` D ) /\ ( R ` G ) =/= ( R ` F ) ) ) ) -> D e. T )
20	6 7 8	trlcocnv	\|- ( ( ( K e. HL /\ W e. H ) /\ G e. T /\ D e. T ) -> ( R ` ( G o. `' D ) ) = ( R ` ( D o. `' G ) ) )
21	12 13 19 20	syl3anc	\|- ( ( ( ( K e. HL /\ W e. H ) /\ F e. T /\ D e. T ) /\ ( ( N e. T /\ G e. T ) /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( ( F =/= ( _I \|` B ) /\ D =/= ( _I \|` B ) /\ G =/= ( _I \|` B ) ) /\ ( ( R ` D ) =/= ( R ` F ) /\ ( R ` G ) =/= ( R ` D ) /\ ( R ` G ) =/= ( R ` F ) ) ) ) -> ( R ` ( G o. `' D ) ) = ( R ` ( D o. `' G ) ) )
22	18 21	oveq12d	\|- ( ( ( ( K e. HL /\ W e. H ) /\ F e. T /\ D e. T ) /\ ( ( N e. T /\ G e. T ) /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( ( F =/= ( _I \|` B ) /\ D =/= ( _I \|` B ) /\ G =/= ( _I \|` B ) ) /\ ( ( R ` D ) =/= ( R ` F ) /\ ( R ` G ) =/= ( R ` D ) /\ ( R ` G ) =/= ( R ` F ) ) ) ) -> ( ( O ` P ) .\/ ( R ` ( G o. `' D ) ) ) = ( ( ( S ` D ) ` P ) .\/ ( R ` ( D o. `' G ) ) ) )
23	16 22	oveq12d	\|- ( ( ( ( K e. HL /\ W e. H ) /\ F e. T /\ D e. T ) /\ ( ( N e. T /\ G e. T ) /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( ( F =/= ( _I \|` B ) /\ D =/= ( _I \|` B ) /\ G =/= ( _I \|` B ) ) /\ ( ( R ` D ) =/= ( R ` F ) /\ ( R ` G ) =/= ( R ` D ) /\ ( R ` G ) =/= ( R ` F ) ) ) ) -> ( ( P .\/ ( R ` G ) ) ./\ ( ( O ` P ) .\/ ( R ` ( G o. `' D ) ) ) ) = ( ( P .\/ ( G ` P ) ) ./\ ( ( ( S ` D ) ` P ) .\/ ( R ` ( D o. `' G ) ) ) ) )
24		simp23	\|- ( ( ( ( K e. HL /\ W e. H ) /\ F e. T /\ D e. T ) /\ ( ( N e. T /\ G e. T ) /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( ( F =/= ( _I \|` B ) /\ D =/= ( _I \|` B ) /\ G =/= ( _I \|` B ) ) /\ ( ( R ` D ) =/= ( R ` F ) /\ ( R ` G ) =/= ( R ` D ) /\ ( R ` G ) =/= ( R ` F ) ) ) ) -> ( R ` F ) = ( R ` N ) )
25		simp12	\|- ( ( ( ( K e. HL /\ W e. H ) /\ F e. T /\ D e. T ) /\ ( ( N e. T /\ G e. T ) /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( ( F =/= ( _I \|` B ) /\ D =/= ( _I \|` B ) /\ G =/= ( _I \|` B ) ) /\ ( ( R ` D ) =/= ( R ` F ) /\ ( R ` G ) =/= ( R ` D ) /\ ( R ` G ) =/= ( R ` F ) ) ) ) -> F e. T )
26		simp21l	\|- ( ( ( ( K e. HL /\ W e. H ) /\ F e. T /\ D e. T ) /\ ( ( N e. T /\ G e. T ) /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( ( F =/= ( _I \|` B ) /\ D =/= ( _I \|` B ) /\ G =/= ( _I \|` B ) ) /\ ( ( R ` D ) =/= ( R ` F ) /\ ( R ` G ) =/= ( R ` D ) /\ ( R ` G ) =/= ( R ` F ) ) ) ) -> N e. T )
27		simp3r1	\|- ( ( ( ( K e. HL /\ W e. H ) /\ F e. T /\ D e. T ) /\ ( ( N e. T /\ G e. T ) /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( ( F =/= ( _I \|` B ) /\ D =/= ( _I \|` B ) /\ G =/= ( _I \|` B ) ) /\ ( ( R ` D ) =/= ( R ` F ) /\ ( R ` G ) =/= ( R ` D ) /\ ( R ` G ) =/= ( R ` F ) ) ) ) -> ( R ` D ) =/= ( R ` F ) )
28		simp3r2	\|- ( ( ( ( K e. HL /\ W e. H ) /\ F e. T /\ D e. T ) /\ ( ( N e. T /\ G e. T ) /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( ( F =/= ( _I \|` B ) /\ D =/= ( _I \|` B ) /\ G =/= ( _I \|` B ) ) /\ ( ( R ` D ) =/= ( R ` F ) /\ ( R ` G ) =/= ( R ` D ) /\ ( R ` G ) =/= ( R ` F ) ) ) ) -> ( R ` G ) =/= ( R ` D ) )
29	28	necomd	\|- ( ( ( ( K e. HL /\ W e. H ) /\ F e. T /\ D e. T ) /\ ( ( N e. T /\ G e. T ) /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( ( F =/= ( _I \|` B ) /\ D =/= ( _I \|` B ) /\ G =/= ( _I \|` B ) ) /\ ( ( R ` D ) =/= ( R ` F ) /\ ( R ` G ) =/= ( R ` D ) /\ ( R ` G ) =/= ( R ` F ) ) ) ) -> ( R ` D ) =/= ( R ` G ) )
30	27 29	jca	\|- ( ( ( ( K e. HL /\ W e. H ) /\ F e. T /\ D e. T ) /\ ( ( N e. T /\ G e. T ) /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( ( F =/= ( _I \|` B ) /\ D =/= ( _I \|` B ) /\ G =/= ( _I \|` B ) ) /\ ( ( R ` D ) =/= ( R ` F ) /\ ( R ` G ) =/= ( R ` D ) /\ ( R ` G ) =/= ( R ` F ) ) ) ) -> ( ( R ` D ) =/= ( R ` F ) /\ ( R ` D ) =/= ( R ` G ) ) )
31		simp3l1	\|- ( ( ( ( K e. HL /\ W e. H ) /\ F e. T /\ D e. T ) /\ ( ( N e. T /\ G e. T ) /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( ( F =/= ( _I \|` B ) /\ D =/= ( _I \|` B ) /\ G =/= ( _I \|` B ) ) /\ ( ( R ` D ) =/= ( R ` F ) /\ ( R ` G ) =/= ( R ` D ) /\ ( R ` G ) =/= ( R ` F ) ) ) ) -> F =/= ( _I \|` B ) )
32		simp3l3	\|- ( ( ( ( K e. HL /\ W e. H ) /\ F e. T /\ D e. T ) /\ ( ( N e. T /\ G e. T ) /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( ( F =/= ( _I \|` B ) /\ D =/= ( _I \|` B ) /\ G =/= ( _I \|` B ) ) /\ ( ( R ` D ) =/= ( R ` F ) /\ ( R ` G ) =/= ( R ` D ) /\ ( R ` G ) =/= ( R ` F ) ) ) ) -> G =/= ( _I \|` B ) )
33		simp3l2	\|- ( ( ( ( K e. HL /\ W e. H ) /\ F e. T /\ D e. T ) /\ ( ( N e. T /\ G e. T ) /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( ( F =/= ( _I \|` B ) /\ D =/= ( _I \|` B ) /\ G =/= ( _I \|` B ) ) /\ ( ( R ` D ) =/= ( R ` F ) /\ ( R ` G ) =/= ( R ` D ) /\ ( R ` G ) =/= ( R ` F ) ) ) ) -> D =/= ( _I \|` B ) )
34	31 32 33	3jca	\|- ( ( ( ( K e. HL /\ W e. H ) /\ F e. T /\ D e. T ) /\ ( ( N e. T /\ G e. T ) /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( ( F =/= ( _I \|` B ) /\ D =/= ( _I \|` B ) /\ G =/= ( _I \|` B ) ) /\ ( ( R ` D ) =/= ( R ` F ) /\ ( R ` G ) =/= ( R ` D ) /\ ( R ` G ) =/= ( R ` F ) ) ) ) -> ( F =/= ( _I \|` B ) /\ G =/= ( _I \|` B ) /\ D =/= ( _I \|` B ) ) )
35	1 2 3 4 5 6 7 8 9 10 11	cdlemkuv2	\|- ( ( ( ( K e. HL /\ W e. H ) /\ ( R ` F ) = ( R ` N ) /\ G e. T ) /\ ( F e. T /\ D e. T /\ N e. T ) /\ ( ( ( R ` D ) =/= ( R ` F ) /\ ( R ` D ) =/= ( R ` G ) ) /\ ( F =/= ( _I \|` B ) /\ G =/= ( _I \|` B ) /\ D =/= ( _I \|` B ) ) /\ ( P e. A /\ -. P .<_ W ) ) ) -> ( ( U ` G ) ` P ) = ( ( P .\/ ( R ` G ) ) ./\ ( ( O ` P ) .\/ ( R ` ( G o. `' D ) ) ) ) )
36	12 24 13 25 19 26 30 34 14 35	syl333anc	\|- ( ( ( ( K e. HL /\ W e. H ) /\ F e. T /\ D e. T ) /\ ( ( N e. T /\ G e. T ) /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( ( F =/= ( _I \|` B ) /\ D =/= ( _I \|` B ) /\ G =/= ( _I \|` B ) ) /\ ( ( R ` D ) =/= ( R ` F ) /\ ( R ` G ) =/= ( R ` D ) /\ ( R ` G ) =/= ( R ` F ) ) ) ) -> ( ( U ` G ) ` P ) = ( ( P .\/ ( R ` G ) ) ./\ ( ( O ` P ) .\/ ( R ` ( G o. `' D ) ) ) ) )
37	26 19	jca	\|- ( ( ( ( K e. HL /\ W e. H ) /\ F e. T /\ D e. T ) /\ ( ( N e. T /\ G e. T ) /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( ( F =/= ( _I \|` B ) /\ D =/= ( _I \|` B ) /\ G =/= ( _I \|` B ) ) /\ ( ( R ` D ) =/= ( R ` F ) /\ ( R ` G ) =/= ( R ` D ) /\ ( R ` G ) =/= ( R ` F ) ) ) ) -> ( N e. T /\ D e. T ) )
38		simp3r3	\|- ( ( ( ( K e. HL /\ W e. H ) /\ F e. T /\ D e. T ) /\ ( ( N e. T /\ G e. T ) /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( ( F =/= ( _I \|` B ) /\ D =/= ( _I \|` B ) /\ G =/= ( _I \|` B ) ) /\ ( ( R ` D ) =/= ( R ` F ) /\ ( R ` G ) =/= ( R ` D ) /\ ( R ` G ) =/= ( R ` F ) ) ) ) -> ( R ` G ) =/= ( R ` F ) )
39	38 27	jca	\|- ( ( ( ( K e. HL /\ W e. H ) /\ F e. T /\ D e. T ) /\ ( ( N e. T /\ G e. T ) /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( ( F =/= ( _I \|` B ) /\ D =/= ( _I \|` B ) /\ G =/= ( _I \|` B ) ) /\ ( ( R ` D ) =/= ( R ` F ) /\ ( R ` G ) =/= ( R ` D ) /\ ( R ` G ) =/= ( R ` F ) ) ) ) -> ( ( R ` G ) =/= ( R ` F ) /\ ( R ` D ) =/= ( R ` F ) ) )
40	1 2 3 5 6 7 8 4 9	cdlemk12	\|- ( ( ( ( K e. HL /\ W e. H ) /\ F e. T /\ G e. T ) /\ ( ( N e. T /\ D e. T ) /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( ( F =/= ( _I \|` B ) /\ G =/= ( _I \|` B ) /\ D =/= ( _I \|` B ) ) /\ ( ( R ` G ) =/= ( R ` F ) /\ ( R ` D ) =/= ( R ` F ) ) /\ ( R ` G ) =/= ( R ` D ) ) ) -> ( ( S ` G ) ` P ) = ( ( P .\/ ( G ` P ) ) ./\ ( ( ( S ` D ) ` P ) .\/ ( R ` ( D o. `' G ) ) ) ) )
41	12 25 13 37 14 24 34 39 28 40	syl333anc	\|- ( ( ( ( K e. HL /\ W e. H ) /\ F e. T /\ D e. T ) /\ ( ( N e. T /\ G e. T ) /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( ( F =/= ( _I \|` B ) /\ D =/= ( _I \|` B ) /\ G =/= ( _I \|` B ) ) /\ ( ( R ` D ) =/= ( R ` F ) /\ ( R ` G ) =/= ( R ` D ) /\ ( R ` G ) =/= ( R ` F ) ) ) ) -> ( ( S ` G ) ` P ) = ( ( P .\/ ( G ` P ) ) ./\ ( ( ( S ` D ) ` P ) .\/ ( R ` ( D o. `' G ) ) ) ) )
42	23 36 41	3eqtr4rd	\|- ( ( ( ( K e. HL /\ W e. H ) /\ F e. T /\ D e. T ) /\ ( ( N e. T /\ G e. T ) /\ ( P e. A /\ -. P .<_ W ) /\ ( R ` F ) = ( R ` N ) ) /\ ( ( F =/= ( _I \|` B ) /\ D =/= ( _I \|` B ) /\ G =/= ( _I \|` B ) ) /\ ( ( R ` D ) =/= ( R ` F ) /\ ( R ` G ) =/= ( R ` D ) /\ ( R ` G ) =/= ( R ` F ) ) ) ) -> ( ( S ` G ) ` P ) = ( ( U ` G ) ` P ) )

Metamath Proof Explorer

Theorem cdlemk21N

Proof