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Theorem necomd 2506
Description: Deduction from commutative law for inequality. (Contributed by NM, 12-Feb-2008.)
Hypothesis
Ref Expression
necomd.1 (𝜑𝐴𝐵)
Assertion
Ref Expression
necomd (𝜑𝐵𝐴)

Proof of Theorem necomd
StepHypRef Expression
1 necomd.1 . 2 (𝜑𝐴𝐵)
2 necom 2504 . 2 (𝐴𝐵𝐵𝐴)
31, 2sylib 122 1 (𝜑𝐵𝐴)
Colors of variables:    wff set class
This proof depends on syntax axioms:  wi 4  wne 2420
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-in1 623  ax-in2 624  ax-5 1500  ax-gen 1502  ax-ext 2220
This proof depends on definitions:  df-bi 117  df-cleq 2231  df-ne 2421
This theorem is used by:  ifnefals  3685  difsnb  3858  0nelop  4388  frecabcl  6670  fidifsnen  7172  tpfidisj  7236  omp1eomlem  7434  difinfsnlem  7439  fodjuomnilemdc  7484  en2eleq  7547  en2other2  7548  netap  7620  2omotaplemap  7623  ltned  8440  lt0ne0  8757  zdceq  9724  zneo  9751  xrlttri3  10209  qdceq  10689  flqltnz  10735  seqf1oglem1  10969  nn0opthd  11174  hashdifpr  11275  hashtpgim  11311  cats1un  11507  sumtp  12197  nninfctlemfo  12833  isprm2lem  12910  oddprm  13058  pcmpt  13142  ennnfonelemex  13354  perfectlem2  16219  lgsneg  16262  lgseisenlem4  16311  lgsquadlem1  16315  lgsquadlem3  16317  lgsquad2  16321  2lgsoddprm  16351  funvtxval0d  16393  umgrvad2edg  16571  1hegrvtxdg1rfi  16670  vdegp1bid  16675  umgr2cwwk2dif  16784  eupth2lem3lem4fi  16833  pw1ndom3lem  17138  pw1ndom3  17139
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