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Theorem mulid1i 7029
Description: Identity law for multiplication. (Contributed by NM, 14-Feb-1995.)
Hypothesis
Ref Expression
axi.1  |-  A  e.  CC
Assertion
Ref Expression
mulid1i  |-  ( A  x.  1 )  =  A

Proof of Theorem mulid1i
StepHypRef Expression
1 axi.1 . 2  |-  A  e.  CC
2 mulid1 7024 . 2  |-  ( A  e.  CC  ->  ( A  x.  1 )  =  A )
31, 2ax-mp 7 1  |-  ( A  x.  1 )  =  A
Colors of variables: wff set class
Syntax hints:    = wceq 1243    e. wcel 1393  (class class class)co 5512   CCcc 6887   1c1 6890    x. cmul 6894
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-mp 7  ax-ia1 99  ax-ia2 100  ax-ia3 101  ax-io 630  ax-5 1336  ax-7 1337  ax-gen 1338  ax-ie1 1382  ax-ie2 1383  ax-8 1395  ax-10 1396  ax-11 1397  ax-i12 1398  ax-bndl 1399  ax-4 1400  ax-17 1419  ax-i9 1423  ax-ial 1427  ax-i5r 1428  ax-ext 2022  ax-resscn 6976  ax-1cn 6977  ax-icn 6979  ax-addcl 6980  ax-mulcl 6982  ax-mulcom 6985  ax-mulass 6987  ax-distr 6988  ax-1rid 6991  ax-cnre 6995
This theorem depends on definitions:  df-bi 110  df-3an 887  df-tru 1246  df-nf 1350  df-sb 1646  df-clab 2027  df-cleq 2033  df-clel 2036  df-nfc 2167  df-ral 2311  df-rex 2312  df-v 2559  df-un 2922  df-in 2924  df-ss 2931  df-sn 3381  df-pr 3382  df-op 3384  df-uni 3581  df-br 3765  df-iota 4867  df-fv 4910  df-ov 5515
This theorem is referenced by:  rimul  7576  muleqadd  7649  1t1e1  8067  2t1e2  8068  3t1e3  8070  halfpm6th  8145  iap0  8148  numltc  8387  numsucc  8393  dec10p  8396  numadd  8401  numaddc  8402  4t3lem  8438  rei  9499  imi  9500  cji  9502
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