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Theorem caopr411 4057
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 groups:   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 4054 . . 3 |- ((AFB)FC) = ((CFB)FA)
76opreq1i 3962 . 2 |- (((AFB)FC)FD) = (((CFB)FA)FD)
8 oprex 3974 . . 3 |- (AFB) e. V
9 caopr.4 . . 3 |- D e. V
108, 3, 9, 5caoprass 4046 . 2 |- (((AFB)FC)FD) = ((AFB)F(CFD))
11 oprex 3974 . . 3 |- (CFB) e. V
1211, 1, 9, 5caoprass 4046 . 2 |- (((CFB)FA)FD) = ((CFB)F(AFD))
137, 10, 123eqtr3 1500 1 |- ((AFB)F(CFD)) = ((CFB)F(AFD))
Colors of variables: wff set class
Syntax hints:   = wceq 954   e. wcel 956  Vcvv 1807  (class class class)co 3954
This theorem is referenced by:  ecopoprtrn 4301  ltapq 5056
This theorem was proved from axioms:  ax-1 4  ax-2 5  ax-3 6  ax-mp 7  ax-7 960  ax-gen 961  ax-8 962  ax-10 964  ax-11 965  ax-12 966  ax-13 967  ax-14 968  ax-17 969  ax-4 971  ax-5o 973  ax-6o 976  ax-9o 1121  ax-10o 1138  ax-16 1208  ax-11o 1216  ax-ext 1457  ax-sep 2698  ax-pow 2737  ax-pr 2774  ax-un 2861
This theorem depends on definitions:  df-bi 147  df-or 224  df-an 225  df-3an 776  df-ex 979  df-sb 1170  df-eu 1380  df-mo 1381  df-clab 1462  df-cleq 1467  df-clel 1470  df-ne 1584  df-v 1808  df-dif 2045  df-un 2046  df-in 2047  df-ss 2049  df-nul 2277  df-pw 2398  df-sn 2408  df-pr 2409  df-op 2412  df-uni 2499  df-br 2615  df-opab 2662  df-xp 3179  df-cnv 3181  df-dm 3183  df-rn 3184  df-res 3185  df-ima 3186  df-fv 3193  df-opr 3956
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