Theorem mdexchi 28069

Description: An exchange lemma for modular pairs. Lemma 1.6 of [MaedaMaeda] p. 2. (Contributed by NM, 22-Jun-2004.) (New usage is discouraged.)

Hypotheses

Ref	Expression
mdexch.1	|- A e. CH
mdexch.2	|- B e. CH
mdexch.3	|- C e. CH

Assertion

Ref	Expression
mdexchi	|- ( ( A MH B /\ C MH ( A vH B ) /\ ( C i^i ( A vH B ) ) C_ A ) -> ( ( C vH A ) MH B /\ ( ( C vH A ) i^i B ) = ( A i^i B ) ) )

Proof of Theorem mdexchi

Dummy variable x is distinct from all other variables.

Step	Hyp	Ref	Expression
1		mdexch.3	. . . . . . . . . . . . . . 15 |- C e. CH
2		mdexch.1	. . . . . . . . . . . . . . 15 |- A e. CH
3		chjass 27267	. . . . . . . . . . . . . . 15 |- ( ( C e. CH /\ A e. CH /\ x e. CH ) -> ( ( C vH A ) vH x ) = ( C vH ( A vH x ) ) )
4	1, 2, 3	mp3an12 1380	. . . . . . . . . . . . . 14 |- ( x e. CH -> ( ( C vH A ) vH x ) = ( C vH ( A vH x ) ) )
5	1, 2	chjcli 27191	. . . . . . . . . . . . . . 15 |- ( C vH A ) e. CH
6		chjcom 27240	. . . . . . . . . . . . . . 15 |- ( ( x e. CH /\ ( C vH A ) e. CH ) -> ( x vH ( C vH A ) ) = ( ( C vH A ) vH x ) )
7	5, 6	mpan2 685	. . . . . . . . . . . . . 14 |- ( x e. CH -> ( x vH ( C vH A ) ) = ( ( C vH A ) vH x ) )
8		chjcl 27091	. . . . . . . . . . . . . . . 16 |- ( ( A e. CH /\ x e. CH ) -> ( A vH x ) e. CH )
9	2, 8	mpan 684	. . . . . . . . . . . . . . 15 |- ( x e. CH -> ( A vH x ) e. CH )
10		chjcom 27240	. . . . . . . . . . . . . . 15 |- ( ( ( A vH x ) e. CH /\ C e. CH ) -> ( ( A vH x ) vH C ) = ( C vH ( A vH x ) ) )
11	9, 1, 10	sylancl 675	. . . . . . . . . . . . . 14 |- ( x e. CH -> ( ( A vH x ) vH C ) = ( C vH ( A vH x ) ) )
12	4, 7, 11	3eqtr4d 2515	. . . . . . . . . . . . 13 |- ( x e. CH -> ( x vH ( C vH A ) ) = ( ( A vH x ) vH C ) )
13	12	ineq1d 3624	. . . . . . . . . . . 12 |- ( x e. CH -> ( ( x vH ( C vH A ) ) i^i B ) = ( ( ( A vH x ) vH C ) i^i B ) )
14		inass 3633	. . . . . . . . . . . . 13 |- ( ( ( ( A vH x ) vH C ) i^i ( A vH B ) ) i^i B ) = ( ( ( A vH x ) vH C ) i^i ( ( A vH B ) i^i B ) )
15		incom 3616	. . . . . . . . . . . . . . 15 |- ( ( A vH B ) i^i B ) = ( B i^i ( A vH B ) )
16		mdexch.2	. . . . . . . . . . . . . . . . . 18 |- B e. CH
17	2, 16	chjcomi 27202	. . . . . . . . . . . . . . . . 17 |- ( A vH B ) = ( B vH A )
18	17	ineq2i 3622	. . . . . . . . . . . . . . . 16 |- ( B i^i ( A vH B ) ) = ( B i^i ( B vH A ) )
19	16, 2	chabs2i 27253	. . . . . . . . . . . . . . . 16 |- ( B i^i ( B vH A ) ) = B
20	18, 19	eqtri 2493	. . . . . . . . . . . . . . 15 |- ( B i^i ( A vH B ) ) = B
21	15, 20	eqtri 2493	. . . . . . . . . . . . . 14 |- ( ( A vH B ) i^i B ) = B
22	21	ineq2i 3622	. . . . . . . . . . . . 13 |- ( ( ( A vH x ) vH C ) i^i ( ( A vH B ) i^i B ) ) = ( ( ( A vH x ) vH C ) i^i B )
23	14, 22	eqtri 2493	. . . . . . . . . . . 12 |- ( ( ( ( A vH x ) vH C ) i^i ( A vH B ) ) i^i B ) = ( ( ( A vH x ) vH C ) i^i B )
24	13, 23	syl6eqr 2523	. . . . . . . . . . 11 |- ( x e. CH -> ( ( x vH ( C vH A ) ) i^i B ) = ( ( ( ( A vH x ) vH C ) i^i ( A vH B ) ) i^i B ) )
25	24	ad2antrr 740	. . . . . . . . . 10 |- ( ( ( x e. CH /\ x C_ B ) /\ ( C MH ( A vH B ) /\ ( C i^i ( A vH B ) ) C_ A ) ) -> ( ( x vH ( C vH A ) ) i^i B ) = ( ( ( ( A vH x ) vH C ) i^i ( A vH B ) ) i^i B ) )
26		chlej2 27245	. . . . . . . . . . . . . . . . 17 |- ( ( ( x e. CH /\ B e. CH /\ A e. CH ) /\ x C_ B ) -> ( A vH x ) C_ ( A vH B ) )
27	26	ex 441	. . . . . . . . . . . . . . . 16 |- ( ( x e. CH /\ B e. CH /\ A e. CH ) -> ( x C_ B -> ( A vH x ) C_ ( A vH B ) ) )
28	16, 2, 27	mp3an23 1382	. . . . . . . . . . . . . . 15 |- ( x e. CH -> ( x C_ B -> ( A vH x ) C_ ( A vH B ) ) )
29	2, 16	chjcli 27191	. . . . . . . . . . . . . . . . . 18 |- ( A vH B ) e. CH
30		mdi 28029	. . . . . . . . . . . . . . . . . . 19 |- ( ( ( C e. CH /\ ( A vH B ) e. CH /\ ( A vH x ) e. CH ) /\ ( C MH ( A vH B ) /\ ( A vH x ) C_ ( A vH B ) ) ) -> ( ( ( A vH x ) vH C ) i^i ( A vH B ) ) = ( ( A vH x ) vH ( C i^i ( A vH B ) ) ) )
31	30	exp32 616	. . . . . . . . . . . . . . . . . 18 |- ( ( C e. CH /\ ( A vH B ) e. CH /\ ( A vH x ) e. CH ) -> ( C MH ( A vH B ) -> ( ( A vH x ) C_ ( A vH B ) -> ( ( ( A vH x ) vH C ) i^i ( A vH B ) ) = ( ( A vH x ) vH ( C i^i ( A vH B ) ) ) ) ) )
32	1, 29, 31	mp3an12 1380	. . . . . . . . . . . . . . . . 17 |- ( ( A vH x ) e. CH -> ( C MH ( A vH B ) -> ( ( A vH x ) C_ ( A vH B ) -> ( ( ( A vH x ) vH C ) i^i ( A vH B ) ) = ( ( A vH x ) vH ( C i^i ( A vH B ) ) ) ) ) )
33	9, 32	syl 17	. . . . . . . . . . . . . . . 16 |- ( x e. CH -> ( C MH ( A vH B ) -> ( ( A vH x ) C_ ( A vH B ) -> ( ( ( A vH x ) vH C ) i^i ( A vH B ) ) = ( ( A vH x ) vH ( C i^i ( A vH B ) ) ) ) ) )
34	33	com23 80	. . . . . . . . . . . . . . 15 |- ( x e. CH -> ( ( A vH x ) C_ ( A vH B ) -> ( C MH ( A vH B ) -> ( ( ( A vH x ) vH C ) i^i ( A vH B ) ) = ( ( A vH x ) vH ( C i^i ( A vH B ) ) ) ) ) )
35	28, 34	syld 44	. . . . . . . . . . . . . 14 |- ( x e. CH -> ( x C_ B -> ( C MH ( A vH B ) -> ( ( ( A vH x ) vH C ) i^i ( A vH B ) ) = ( ( A vH x ) vH ( C i^i ( A vH B ) ) ) ) ) )
36	35	imp31 439	. . . . . . . . . . . . 13 |- ( ( ( x e. CH /\ x C_ B ) /\ C MH ( A vH B ) ) -> ( ( ( A vH x ) vH C ) i^i ( A vH B ) ) = ( ( A vH x ) vH ( C i^i ( A vH B ) ) ) )
37	36	adantrr 731	. . . . . . . . . . . 12 |- ( ( ( x e. CH /\ x C_ B ) /\ ( C MH ( A vH B ) /\ ( C i^i ( A vH B ) ) C_ A ) ) -> ( ( ( A vH x ) vH C ) i^i ( A vH B ) ) = ( ( A vH x ) vH ( C i^i ( A vH B ) ) ) )
38	1, 29	chincli 27194	. . . . . . . . . . . . . . . . 17 |- ( C i^i ( A vH B ) ) e. CH
39		chlej2 27245	. . . . . . . . . . . . . . . . . 18 |- ( ( ( ( C i^i ( A vH B ) ) e. CH /\ A e. CH /\ ( A vH x ) e. CH ) /\ ( C i^i ( A vH B ) ) C_ A ) -> ( ( A vH x ) vH ( C i^i ( A vH B ) ) ) C_ ( ( A vH x ) vH A ) )
40	39	ex 441	. . . . . . . . . . . . . . . . 17 |- ( ( ( C i^i ( A vH B ) ) e. CH /\ A e. CH /\ ( A vH x ) e. CH ) -> ( ( C i^i ( A vH B ) ) C_ A -> ( ( A vH x ) vH ( C i^i ( A vH B ) ) ) C_ ( ( A vH x ) vH A ) ) )
41	38, 2, 40	mp3an12 1380	. . . . . . . . . . . . . . . 16 |- ( ( A vH x ) e. CH -> ( ( C i^i ( A vH B ) ) C_ A -> ( ( A vH x ) vH ( C i^i ( A vH B ) ) ) C_ ( ( A vH x ) vH A ) ) )
42	9, 41	syl 17	. . . . . . . . . . . . . . 15 |- ( x e. CH -> ( ( C i^i ( A vH B ) ) C_ A -> ( ( A vH x ) vH ( C i^i ( A vH B ) ) ) C_ ( ( A vH x ) vH A ) ) )
43	42	imp 436	. . . . . . . . . . . . . 14 |- ( ( x e. CH /\ ( C i^i ( A vH B ) ) C_ A ) -> ( ( A vH x ) vH ( C i^i ( A vH B ) ) ) C_ ( ( A vH x ) vH A ) )
44		chjcom 27240	. . . . . . . . . . . . . . . . 17 |- ( ( ( A vH x ) e. CH /\ A e. CH ) -> ( ( A vH x ) vH A ) = ( A vH ( A vH x ) ) )
45	9, 2, 44	sylancl 675	. . . . . . . . . . . . . . . 16 |- ( x e. CH -> ( ( A vH x ) vH A ) = ( A vH ( A vH x ) ) )
46	2	chjidmi 27255	. . . . . . . . . . . . . . . . . 18 |- ( A vH A ) = A
47	46	oveq1i 6318	. . . . . . . . . . . . . . . . 17 |- ( ( A vH A ) vH x ) = ( A vH x )
48		chjass 27267	. . . . . . . . . . . . . . . . . 18 |- ( ( A e. CH /\ A e. CH /\ x e. CH ) -> ( ( A vH A ) vH x ) = ( A vH ( A vH x ) ) )
49	2, 2, 48	mp3an12 1380	. . . . . . . . . . . . . . . . 17 |- ( x e. CH -> ( ( A vH A ) vH x ) = ( A vH ( A vH x ) ) )
50		chjcom 27240	. . . . . . . . . . . . . . . . . 18 |- ( ( A e. CH /\ x e. CH ) -> ( A vH x ) = ( x vH A ) )
51	2, 50	mpan 684	. . . . . . . . . . . . . . . . 17 |- ( x e. CH -> ( A vH x ) = ( x vH A ) )
52	47, 49, 51	3eqtr3a 2529	. . . . . . . . . . . . . . . 16 |- ( x e. CH -> ( A vH ( A vH x ) ) = ( x vH A ) )
53	45, 52	eqtrd 2505	. . . . . . . . . . . . . . 15 |- ( x e. CH -> ( ( A vH x ) vH A ) = ( x vH A ) )
54	53	adantr 472	. . . . . . . . . . . . . 14 |- ( ( x e. CH /\ ( C i^i ( A vH B ) ) C_ A ) -> ( ( A vH x ) vH A ) = ( x vH A ) )
55	43, 54	sseqtrd 3454	. . . . . . . . . . . . 13 |- ( ( x e. CH /\ ( C i^i ( A vH B ) ) C_ A ) -> ( ( A vH x ) vH ( C i^i ( A vH B ) ) ) C_ ( x vH A ) )
56	55	ad2ant2rl 763	. . . . . . . . . . . 12 |- ( ( ( x e. CH /\ x C_ B ) /\ ( C MH ( A vH B ) /\ ( C i^i ( A vH B ) ) C_ A ) ) -> ( ( A vH x ) vH ( C i^i ( A vH B ) ) ) C_ ( x vH A ) )
57	37, 56	eqsstrd 3452	. . . . . . . . . . 11 |- ( ( ( x e. CH /\ x C_ B ) /\ ( C MH ( A vH B ) /\ ( C i^i ( A vH B ) ) C_ A ) ) -> ( ( ( A vH x ) vH C ) i^i ( A vH B ) ) C_ ( x vH A ) )
58		ssrin 3648	. . . . . . . . . . 11 |- ( ( ( ( A vH x ) vH C ) i^i ( A vH B ) ) C_ ( x vH A ) -> ( ( ( ( A vH x ) vH C ) i^i ( A vH B ) ) i^i B ) C_ ( ( x vH A ) i^i B ) )
59	57, 58	syl 17	. . . . . . . . . 10 |- ( ( ( x e. CH /\ x C_ B ) /\ ( C MH ( A vH B ) /\ ( C i^i ( A vH B ) ) C_ A ) ) -> ( ( ( ( A vH x ) vH C ) i^i ( A vH B ) ) i^i B ) C_ ( ( x vH A ) i^i B ) )
60	25, 59	eqsstrd 3452	. . . . . . . . 9 |- ( ( ( x e. CH /\ x C_ B ) /\ ( C MH ( A vH B ) /\ ( C i^i ( A vH B ) ) C_ A ) ) -> ( ( x vH ( C vH A ) ) i^i B ) C_ ( ( x vH A ) i^i B ) )
61	60	adantrl 730	. . . . . . . 8 |- ( ( ( x e. CH /\ x C_ B ) /\ ( A MH B /\ ( C MH ( A vH B ) /\ ( C i^i ( A vH B ) ) C_ A ) ) ) -> ( ( x vH ( C vH A ) ) i^i B ) C_ ( ( x vH A ) i^i B ) )
62		mdi 28029	. . . . . . . . . . . . . 14 |- ( ( ( A e. CH /\ B e. CH /\ x e. CH ) /\ ( A MH B /\ x C_ B ) ) -> ( ( x vH A ) i^i B ) = ( x vH ( A i^i B ) ) )
63	62	exp32 616	. . . . . . . . . . . . 13 |- ( ( A e. CH /\ B e. CH /\ x e. CH ) -> ( A MH B -> ( x C_ B -> ( ( x vH A ) i^i B ) = ( x vH ( A i^i B ) ) ) ) )
64	2, 16, 63	mp3an12 1380	. . . . . . . . . . . 12 |- ( x e. CH -> ( A MH B -> ( x C_ B -> ( ( x vH A ) i^i B ) = ( x vH ( A i^i B ) ) ) ) )
65	64	com23 80	. . . . . . . . . . 11 |- ( x e. CH -> ( x C_ B -> ( A MH B -> ( ( x vH A ) i^i B ) = ( x vH ( A i^i B ) ) ) ) )
66	65	imp31 439	. . . . . . . . . 10 |- ( ( ( x e. CH /\ x C_ B ) /\ A MH B ) -> ( ( x vH A ) i^i B ) = ( x vH ( A i^i B ) ) )
67	2, 1	chub2i 27204	. . . . . . . . . . . . 13 |- A C_ ( C vH A )
68		ssrin 3648	. . . . . . . . . . . . 13 |- ( A C_ ( C vH A ) -> ( A i^i B ) C_ ( ( C vH A ) i^i B ) )
69	67, 68	ax-mp 5	. . . . . . . . . . . 12 |- ( A i^i B ) C_ ( ( C vH A ) i^i B )
70	2, 16	chincli 27194	. . . . . . . . . . . . 13 |- ( A i^i B ) e. CH
71	5, 16	chincli 27194	. . . . . . . . . . . . 13 |- ( ( C vH A ) i^i B ) e. CH
72		chlej2 27245	. . . . . . . . . . . . . 14 |- ( ( ( ( A i^i B ) e. CH /\ ( ( C vH A ) i^i B ) e. CH /\ x e. CH ) /\ ( A i^i B ) C_ ( ( C vH A ) i^i B ) ) -> ( x vH ( A i^i B ) ) C_ ( x vH ( ( C vH A ) i^i B ) ) )
73	72	ex 441	. . . . . . . . . . . . 13 |- ( ( ( A i^i B ) e. CH /\ ( ( C vH A ) i^i B ) e. CH /\ x e. CH ) -> ( ( A i^i B ) C_ ( ( C vH A ) i^i B ) -> ( x vH ( A i^i B ) ) C_ ( x vH ( ( C vH A ) i^i B ) ) ) )
74	70, 71, 73	mp3an12 1380	. . . . . . . . . . . 12 |- ( x e. CH -> ( ( A i^i B ) C_ ( ( C vH A ) i^i B ) -> ( x vH ( A i^i B ) ) C_ ( x vH ( ( C vH A ) i^i B ) ) ) )
75	69, 74	mpi 20	. . . . . . . . . . 11 |- ( x e. CH -> ( x vH ( A i^i B ) ) C_ ( x vH ( ( C vH A ) i^i B ) ) )
76	75	ad2antrr 740	. . . . . . . . . 10 |- ( ( ( x e. CH /\ x C_ B ) /\ A MH B ) -> ( x vH ( A i^i B ) ) C_ ( x vH ( ( C vH A ) i^i B ) ) )
77	66, 76	eqsstrd 3452	. . . . . . . . 9 |- ( ( ( x e. CH /\ x C_ B ) /\ A MH B ) -> ( ( x vH A ) i^i B ) C_ ( x vH ( ( C vH A ) i^i B ) ) )
78	77	adantrr 731	. . . . . . . 8 |- ( ( ( x e. CH /\ x C_ B ) /\ ( A MH B /\ ( C MH ( A vH B ) /\ ( C i^i ( A vH B ) ) C_ A ) ) ) -> ( ( x vH A ) i^i B ) C_ ( x vH ( ( C vH A ) i^i B ) ) )
79	61, 78	sstrd 3428	. . . . . . 7 |- ( ( ( x e. CH /\ x C_ B ) /\ ( A MH B /\ ( C MH ( A vH B ) /\ ( C i^i ( A vH B ) ) C_ A ) ) ) -> ( ( x vH ( C vH A ) ) i^i B ) C_ ( x vH ( ( C vH A ) i^i B ) ) )
80	79	exp31 615	. . . . . 6 |- ( x e. CH -> ( x C_ B -> ( ( A MH B /\ ( C MH ( A vH B ) /\ ( C i^i ( A vH B ) ) C_ A ) ) -> ( ( x vH ( C vH A ) ) i^i B ) C_ ( x vH ( ( C vH A ) i^i B ) ) ) ) )
81	80	com3r 81	. . . . 5 |- ( ( A MH B /\ ( C MH ( A vH B ) /\ ( C i^i ( A vH B ) ) C_ A ) ) -> ( x e. CH -> ( x C_ B -> ( ( x vH ( C vH A ) ) i^i B ) C_ ( x vH ( ( C vH A ) i^i B ) ) ) ) )
82	81	3impb 1227	. . . 4 |- ( ( A MH B /\ C MH ( A vH B ) /\ ( C i^i ( A vH B ) ) C_ A ) -> ( x e. CH -> ( x C_ B -> ( ( x vH ( C vH A ) ) i^i B ) C_ ( x vH ( ( C vH A ) i^i B ) ) ) ) )
83	82	ralrimiv 2808	. . 3 |- ( ( A MH B /\ C MH ( A vH B ) /\ ( C i^i ( A vH B ) ) C_ A ) -> A. x e. CH ( x C_ B -> ( ( x vH ( C vH A ) ) i^i B ) C_ ( x vH ( ( C vH A ) i^i B ) ) ) )
84		mdbr2 28030	. . . 4 |- ( ( ( C vH A ) e. CH /\ B e. CH ) -> ( ( C vH A ) MH B <-> A. x e. CH ( x C_ B -> ( ( x vH ( C vH A ) ) i^i B ) C_ ( x vH ( ( C vH A ) i^i B ) ) ) ) )
85	5, 16, 84	mp2an 686	. . 3 |- ( ( C vH A ) MH B <-> A. x e. CH ( x C_ B -> ( ( x vH ( C vH A ) ) i^i B ) C_ ( x vH ( ( C vH A ) i^i B ) ) ) )
86	83, 85	sylibr 217	. 2 |- ( ( A MH B /\ C MH ( A vH B ) /\ ( C i^i ( A vH B ) ) C_ A ) -> ( C vH A ) MH B )
87	1, 2	chjcomi 27202	. . . . 5 |- ( C vH A ) = ( A vH C )
88		incom 3616	. . . . . 6 |- ( B i^i ( A vH B ) ) = ( ( A vH B ) i^i B )
89	18, 88, 19	3eqtr3ri 2502	. . . . 5 |- B = ( ( A vH B ) i^i B )
90	87, 89	ineq12i 3623	. . . 4 |- ( ( C vH A ) i^i B ) = ( ( A vH C ) i^i ( ( A vH B ) i^i B ) )
91		inass 3633	. . . . 5 |- ( ( ( A vH C ) i^i ( A vH B ) ) i^i B ) = ( ( A vH C ) i^i ( ( A vH B ) i^i B ) )
92	2, 16	chub1i 27203	. . . . . . . 8 |- A C_ ( A vH B )
93		mdi 28029	. . . . . . . . . 10 |- ( ( ( C e. CH /\ ( A vH B ) e. CH /\ A e. CH ) /\ ( C MH ( A vH B ) /\ A C_ ( A vH B ) ) ) -> ( ( A vH C ) i^i ( A vH B ) ) = ( A vH ( C i^i ( A vH B ) ) ) )
94	93	exp32 616	. . . . . . . . 9 |- ( ( C e. CH /\ ( A vH B ) e. CH /\ A e. CH ) -> ( C MH ( A vH B ) -> ( A C_ ( A vH B ) -> ( ( A vH C ) i^i ( A vH B ) ) = ( A vH ( C i^i ( A vH B ) ) ) ) ) )
95	1, 29, 2, 94	mp3an 1390	. . . . . . . 8 |- ( C MH ( A vH B ) -> ( A C_ ( A vH B ) -> ( ( A vH C ) i^i ( A vH B ) ) = ( A vH ( C i^i ( A vH B ) ) ) ) )
96	92, 95	mpi 20	. . . . . . 7 |- ( C MH ( A vH B ) -> ( ( A vH C ) i^i ( A vH B ) ) = ( A vH ( C i^i ( A vH B ) ) ) )
97	2, 38	chjcomi 27202	. . . . . . . 8 |- ( A vH ( C i^i ( A vH B ) ) ) = ( ( C i^i ( A vH B ) ) vH A )
98	38, 2	chlejb1i 27210	. . . . . . . . 9 |- ( ( C i^i ( A vH B ) ) C_ A <-> ( ( C i^i ( A vH B ) ) vH A ) = A )
99	98	biimpi 199	. . . . . . . 8 |- ( ( C i^i ( A vH B ) ) C_ A -> ( ( C i^i ( A vH B ) ) vH A ) = A )
100	97, 99	syl5eq 2517	. . . . . . 7 |- ( ( C i^i ( A vH B ) ) C_ A -> ( A vH ( C i^i ( A vH B ) ) ) = A )
101	96, 100	sylan9eq 2525	. . . . . 6 |- ( ( C MH ( A vH B ) /\ ( C i^i ( A vH B ) ) C_ A ) -> ( ( A vH C ) i^i ( A vH B ) ) = A )
102	101	ineq1d 3624	. . . . 5 |- ( ( C MH ( A vH B ) /\ ( C i^i ( A vH B ) ) C_ A ) -> ( ( ( A vH C ) i^i ( A vH B ) ) i^i B ) = ( A i^i B ) )
103	91, 102	syl5eqr 2519	. . . 4 |- ( ( C MH ( A vH B ) /\ ( C i^i ( A vH B ) ) C_ A ) -> ( ( A vH C ) i^i ( ( A vH B ) i^i B ) ) = ( A i^i B ) )
104	90, 103	syl5eq 2517	. . 3 |- ( ( C MH ( A vH B ) /\ ( C i^i ( A vH B ) ) C_ A ) -> ( ( C vH A ) i^i B ) = ( A i^i B ) )
105	104	3adant1 1048	. 2 |- ( ( A MH B /\ C MH ( A vH B ) /\ ( C i^i ( A vH B ) ) C_ A ) -> ( ( C vH A ) i^i B ) = ( A i^i B ) )
106	86, 105	jca 541	1 |- ( ( A MH B /\ C MH ( A vH B ) /\ ( C i^i ( A vH B ) ) C_ A ) -> ( ( C vH A ) MH B /\ ( ( C vH A ) i^i B ) = ( A i^i B ) ) )

Syntax hints:   -> wi 4   <-> wb 189   /\ wa 376   /\ w3a 1007   = wceq 1452   e. wcel 1904   A.wral 2756   i^i cin 3389   C_ wss 3390   class class class wbr 4395  (class class class)co 6308   CHcch 26663   vH chj 26667   MH cmd 26700

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1677  ax-4 1690  ax-5 1766  ax-6 1813  ax-7 1859  ax-8 1906  ax-9 1913  ax-10 1932  ax-11 1937  ax-12 1950  ax-13 2104  ax-ext 2451  ax-rep 4508  ax-sep 4518  ax-nul 4527  ax-pow 4579  ax-pr 4639  ax-un 6602  ax-inf2 8164  ax-cc 8883  ax-cnex 9613  ax-resscn 9614  ax-1cn 9615  ax-icn 9616  ax-addcl 9617  ax-addrcl 9618  ax-mulcl 9619  ax-mulrcl 9620  ax-mulcom 9621  ax-addass 9622  ax-mulass 9623  ax-distr 9624  ax-i2m1 9625  ax-1ne0 9626  ax-1rid 9627  ax-rnegex 9628  ax-rrecex 9629  ax-cnre 9630  ax-pre-lttri 9631  ax-pre-lttrn 9632  ax-pre-ltadd 9633  ax-pre-mulgt0 9634  ax-pre-sup 9635  ax-addf 9636  ax-mulf 9637  ax-hilex 26733  ax-hfvadd 26734  ax-hvcom 26735  ax-hvass 26736  ax-hv0cl 26737  ax-hvaddid 26738  ax-hfvmul 26739  ax-hvmulid 26740  ax-hvmulass 26741  ax-hvdistr1 26742  ax-hvdistr2 26743  ax-hvmul0 26744  ax-hfi 26813  ax-his1 26816  ax-his2 26817  ax-his3 26818  ax-his4 26819  ax-hcompl 26936

This theorem depends on definitions:  df-bi 190  df-or 377  df-an 378  df-3or 1008  df-3an 1009  df-tru 1455  df-fal 1458  df-ex 1672  df-nf 1676  df-sb 1806  df-eu 2323  df-mo 2324  df-clab 2458  df-cleq 2464  df-clel 2467  df-nfc 2601  df-ne 2643  df-nel 2644  df-ral 2761  df-rex 2762  df-reu 2763  df-rmo 2764  df-rab 2765  df-v 3033  df-sbc 3256  df-csb 3350  df-dif 3393  df-un 3395  df-in 3397  df-ss 3404  df-pss 3406  df-nul 3723  df-if 3873  df-pw 3944  df-sn 3960  df-pr 3962  df-tp 3964  df-op 3966  df-uni 4191  df-int 4227  df-iun 4271  df-iin 4272  df-br 4396  df-opab 4455  df-mpt 4456  df-tr 4491  df-eprel 4750  df-id 4754  df-po 4760  df-so 4761  df-fr 4798  df-se 4799  df-we 4800  df-xp 4845  df-rel 4846  df-cnv 4847  df-co 4848  df-dm 4849  df-rn 4850  df-res 4851  df-ima 4852  df-pred 5387  df-ord 5433  df-on 5434  df-lim 5435  df-suc 5436  df-iota 5553  df-fun 5591  df-fn 5592  df-f 5593  df-f1 5594  df-fo 5595  df-f1o 5596  df-fv 5597  df-isom 5598  df-riota 6270  df-ov 6311  df-oprab 6312  df-mpt2 6313  df-of 6550  df-om 6712  df-1st 6812  df-2nd 6813  df-supp 6934  df-wrecs 7046  df-recs 7108  df-rdg 7146  df-1o 7200  df-2o 7201  df-oadd 7204  df-omul 7205  df-er 7381  df-map 7492  df-pm 7493  df-ixp 7541  df-en 7588  df-dom 7589  df-sdom 7590  df-fin 7591  df-fsupp 7902  df-fi 7943  df-sup 7974  df-inf 7975  df-oi 8043  df-card 8391  df-acn 8394  df-cda 8616  df-pnf 9695  df-mnf 9696  df-xr 9697  df-ltxr 9698  df-le 9699  df-sub 9882  df-neg 9883  df-div 10292  df-nn 10632  df-2 10690  df-3 10691  df-4 10692  df-5 10693  df-6 10694  df-7 10695  df-8 10696  df-9 10697  df-10 10698  df-n0 10894  df-z 10962  df-dec 11075  df-uz 11183  df-q 11288  df-rp 11326  df-xneg 11432  df-xadd 11433  df-xmul 11434  df-ioo 11664  df-ico 11666  df-icc 11667  df-fz 11811  df-fzo 11943  df-fl 12061  df-seq 12252  df-exp 12311  df-hash 12554  df-cj 13239  df-re 13240  df-im 13241  df-sqrt 13375  df-abs 13376  df-clim 13629  df-rlim 13630  df-sum 13830  df-struct 15201  df-ndx 15202  df-slot 15203  df-base 15204  df-sets 15205  df-ress 15206  df-plusg 15281  df-mulr 15282  df-starv 15283  df-sca 15284  df-vsca 15285  df-ip 15286  df-tset 15287  df-ple 15288  df-ds 15290  df-unif 15291  df-hom 15292  df-cco 15293  df-rest 15399  df-topn 15400  df-0g 15418  df-gsum 15419  df-topgen 15420  df-pt 15421  df-prds 15424  df-xrs 15478  df-qtop 15484  df-imas 15485  df-xps 15488  df-mre 15570  df-mrc 15571  df-acs 15573  df-mgm 16566  df-sgrp 16605  df-mnd 16615  df-submnd 16661  df-mulg 16754  df-cntz 17049  df-cmn 17510  df-psmet 19039  df-xmet 19040  df-met 19041  df-bl 19042  df-mopn 19043  df-fbas 19044  df-fg 19045  df-cnfld 19048  df-top 19998  df-bases 19999  df-topon 20000  df-topsp 20001  df-cld 20111  df-ntr 20112  df-cls 20113  df-nei 20191  df-cn 20320  df-cnp 20321  df-lm 20322  df-haus 20408  df-tx 20654  df-hmeo 20847  df-fil 20939  df-fm 21031  df-flim 21032  df-flf 21033  df-xms 21413  df-ms 21414  df-tms 21415  df-cfil 22303  df-cau 22304  df-cmet 22305  df-grpo 26000  df-gid 26001  df-ginv 26002  df-gdiv 26003  df-ablo 26091  df-subgo 26111  df-vc 26246  df-nv 26292  df-va 26295  df-ba 26296  df-sm 26297  df-0v 26298  df-vs 26299  df-nmcv 26300  df-ims 26301  df-dip 26418  df-ssp 26442  df-ph 26535  df-cbn 26586  df-hnorm 26702  df-hba 26703  df-hvsub 26705  df-hlim 26706  df-hcau 26707  df-sh 26941  df-ch 26955  df-oc 26986  df-ch0 26987  df-shs 27042  df-chj 27044  df-md 28014

This theorem is referenced by: (None)