Theorem caovord3 5632

Description: Ordering law. (Contributed by set.mm contributors, 29-Feb-1996.)

Hypotheses

Ref	Expression
caovord.1	|- A e. _V
caovord.2	|- B e. _V
caovord.3	|- (z e. S -> (xRy <-> (zFx)R(zFy)))
caovord2.3	|- C e. _V
caovord2.com	|- (xFy) = (yFx)
caovord3.4	|- D e. _V

Assertion

Ref	Expression
caovord3	|- (((B e. S /\ C e. S) /\ (AFB) = (CFD)) -> (ARC <-> DRB))

Distinct variable groups:   x,y,z,F   x,S,y,z   x,A,y,z   x,B,y,z   x,C,y,z   x,D,y,z   x,R,y,z

Proof of Theorem caovord3

Step	Hyp	Ref	Expression
1		caovord.1	. . . . 5 |- A e. _V
2		caovord2.3	. . . . 5 |- C e. _V
3		caovord.3	. . . . 5 |- (z e. S -> (xRy <-> (zFx)R(zFy)))
4		caovord.2	. . . . 5 |- B e. _V
5		caovord2.com	. . . . 5 |- (xFy) = (yFx)
6	1, 2, 3, 4, 5	caovord2 5631	. . . 4 |- (B e. S -> (ARC <-> (AFB)R(CFB)))
7	6	adantr 451	. . 3 |- ((B e. S /\ C e. S) -> (ARC <-> (AFB)R(CFB)))
8		breq1 4643	. . 3 |- ((AFB) = (CFD) -> ((AFB)R(CFB) <-> (CFD)R(CFB)))
9	7, 8	sylan9bb 680	. 2 |- (((B e. S /\ C e. S) /\ (AFB) = (CFD)) -> (ARC <-> (CFD)R(CFB)))
10		caovord3.4	. . . 4 |- D e. _V
11	10, 4, 3	caovord 5630	. . 3 |- (C e. S -> (DRB <-> (CFD)R(CFB)))
12	11	ad2antlr 707	. 2 |- (((B e. S /\ C e. S) /\ (AFB) = (CFD)) -> (DRB <-> (CFD)R(CFB)))
13	9, 12	bitr4d 247	1 |- (((B e. S /\ C e. S) /\ (AFB) = (CFD)) -> (ARC <-> DRB))

Syntax hints:   -> wi 4   <-> wb 176   /\ wa 358   = wceq 1642   e. wcel 1710  _Vcvv 2860   class class class wbr 4640  (class class class)co 5526

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1546  ax-5 1557  ax-17 1616  ax-9 1654  ax-8 1675  ax-6 1729  ax-7 1734  ax-11 1746  ax-12 1925  ax-ext 2334  ax-nin 4079  ax-xp 4080  ax-cnv 4081  ax-1c 4082  ax-sset 4083  ax-si 4084  ax-ins2 4085  ax-ins3 4086  ax-typlower 4087  ax-sn 4088

This theorem depends on definitions:  df-bi 177  df-or 359  df-an 360  df-3an 936  df-nan 1288  df-tru 1319  df-ex 1542  df-nf 1545  df-sb 1649  df-clab 2340  df-cleq 2346  df-clel 2349  df-nfc 2479  df-ne 2519  df-ral 2620  df-rex 2621  df-v 2862  df-sbc 3048  df-nin 3212  df-compl 3213  df-in 3214  df-un 3215  df-dif 3216  df-symdif 3217  df-ss 3260  df-nul 3552  df-if 3664  df-pw 3725  df-sn 3742  df-pr 3743  df-uni 3893  df-int 3928  df-opk 4059  df-1c 4137  df-pw1 4138  df-uni1 4139  df-xpk 4186  df-cnvk 4187  df-ins2k 4188  df-ins3k 4189  df-imak 4190  df-cok 4191  df-p6 4192  df-sik 4193  df-ssetk 4194  df-imagek 4195  df-idk 4196  df-iota 4340  df-addc 4379  df-nnc 4380  df-phi 4566  df-op 4567  df-br 4641  df-fv 4796  df-ov 5527

This theorem is referenced by: (None)