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Theorem caopr411 3079
Description: Rearrange arguments in a commutative, associative operation.
Hypotheses
Ref Expression
caopr.1 |- A e. V
caopr.2 |- B e. V
caopr.3 |- C e. V
caopr.com |- (xFy) = (yFx)
caopr.ass |- ((xFy)Fz) = (xF(yFz))
caopr.4 |- D e. V
Assertion
Ref Expression
caopr411 |- ((AFB)F(CFD)) = ((CFB)F(AFD))
Distinct variable group(s):   x,y,z,F   x,A,y,z   x,B,y,z   x,C,y,z   x,D,y,z

Proof of Theorem caopr411
StepHypRef Expression
1 caopr.1 . . . 4 |- A e. V
2 caopr.2 . . . 4 |- B e. V
3 caopr.3 . . . 4 |- C e. V
4 caopr.com . . . 4 |- (xFy) = (yFx)
5 caopr.ass . . . 4 |- ((xFy)Fz) = (xF(yFz))
61, 2, 3, 4, 5caopr31 3076 . . 3 |- ((AFB)FC) = ((CFB)FA)
76opreq1i 3009 . 2 |- (((AFB)FC)FD) = (((CFB)FA)FD)
8 oprex 3018 . . 3 |- (AFB) e. V
9 caopr.4 . . 3 |- D e. V
108, 3, 9, 5caoprass 3068 . 2 |- (((AFB)FC)FD) = ((AFB)F(CFD))
11 oprex 3018 . . 3 |- (CFB) e. V
1211, 1, 9, 5caoprass 3068 . 2 |- (((CFB)FA)FD) = ((CFB)F(AFD))
137, 10, 123eqtr3 1124 1 |- ((AFB)F(CFD)) = ((CFB)F(AFD))
Colors of variables: wff set class
Syntax hints:   = wceq 1091   e. wcel 1092  Vcvv 1348  (class class class)co 3001
This theorem is referenced by:  ecopoprtrn 3247  ltapq 3870
This theorem was proved from axioms:  ax-1 3  ax-2 4  ax-3 5  ax-mp 6  ax-4 673  ax-5 674  ax-6 675  ax-7 676  ax-gen 677  ax-8 798  ax-9 799  ax-10 800  ax-11 801  ax-12 802  ax-13 804  ax-14 805  ax-16 922  ax-17 925  ax-ext 1074  ax-rep 1075  ax-un 1076  ax-pow 1077
This theorem depends on definitions:  df-bi 128  df-or 197  df-an 198  df-3an 583  df-ex 679  df-sb 853  df-eu 1009  df-mo 1010  df-clab 1093  df-cleq 1097  df-clel 1099  df-v 1349  df-dif 1489  df-un 1490  df-in 1491  df-ss 1492  df-nul 1708  df-pw 1799  df-sn 1811  df-pr 1812  df-op 1815  df-uni 1920  df-br 2063  df-opab 2098  df-xp 2424  df-cnv 2426  df-dm 2428  df-rn 2429  df-res 2430  df-ima 2431  df-fv 2438  df-opr 3003
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