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Theorem ndmoprcom 3061
Description: Any operation is commutative outside its domain.
Hypotheses
Ref Expression
ndmopr.1 BV
ndmopr.2 dom F = (S × S)
ndmopr.3 AV
Assertion
Ref Expression
ndmoprcom (¬ (ASBS) → (AFB) = (BFA))

Proof of Theorem ndmoprcom
StepHypRef Expression
1 ndmopr.1 . . 3 BV
2 ndmopr.2 . . 3 dom F = (S × S)
31, 2ndmopr 3059 . 2 (¬ (ASBS) → (AFB) = ∅)
4 ancom 333 . . . 4 ((ASBS) ↔ (BSAS))
54negbii 162 . . 3 (¬ (ASBS) ↔ ¬ (BSAS))
6 ndmopr.3 . . . 4 AV
76, 2ndmopr 3059 . . 3 (¬ (BSAS) → (BFA) = ∅)
85, 7sylbi 174 . 2 (¬ (ASBS) → (BFA) = ∅)
93, 8eqtr4d 1131 1 (¬ (ASBS) → (AFB) = (BFA))
Colors of variables: wff set class
Syntax hints:  ¬ wn 1   → wi 2   ∧ wa 196   = wceq 1091   ∈ wcel 1092  Vcvv 1348  ∅c0 1707   × cxp 2408  dom cdm 2410  (class class class)co 3001
This theorem is referenced by:  addcompi 3816  mulcompi 3818  addcompq 3856  mulcompq 3858  addcompr 3917  mulcompr 3919  addcomsr 3990  mulcomsr 3992
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-pow 1077
This theorem depends on definitions:  df-bi 128  df-or 197  df-an 198  df-ex 679  df-sb 853  df-eu 1009  df-clab 1093  df-cleq 1097  df-clel 1099  df-rex 1206  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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