ILE Home Intuitionistic Logic Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  ILE Home  >  Th. List  >  times2i Unicode version

Theorem times2i 9241
Description: A number times 2. (Contributed by NM, 11-May-2004.)
Hypothesis
Ref Expression
2times.1  |-  A  e.  CC
Assertion
Ref Expression
times2i  |-  ( A  x.  2 )  =  ( A  +  A
)

Proof of Theorem times2i
StepHypRef Expression
1 2times.1 . 2  |-  A  e.  CC
2 times2 9239 . 2  |-  ( A  e.  CC  ->  ( A  x.  2 )  =  ( A  +  A ) )
31, 2ax-mp 5 1  |-  ( A  x.  2 )  =  ( A  +  A
)
Colors of variables: wff set class
Syntax hints:    = wceq 1395    e. wcel 2200  (class class class)co 6001   CCcc 7997    + caddc 8002    x. cmul 8004   2c2 9161
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-io 714  ax-5 1493  ax-7 1494  ax-gen 1495  ax-ie1 1539  ax-ie2 1540  ax-8 1550  ax-10 1551  ax-11 1552  ax-i12 1553  ax-bndl 1555  ax-4 1556  ax-17 1572  ax-i9 1576  ax-ial 1580  ax-i5r 1581  ax-ext 2211  ax-resscn 8091  ax-1cn 8092  ax-1re 8093  ax-icn 8094  ax-addcl 8095  ax-addrcl 8096  ax-mulcl 8097  ax-mulcom 8100  ax-mulass 8102  ax-distr 8103  ax-1rid 8106  ax-cnre 8110
This theorem depends on definitions:  df-bi 117  df-3an 1004  df-tru 1398  df-nf 1507  df-sb 1809  df-clab 2216  df-cleq 2222  df-clel 2225  df-nfc 2361  df-ral 2513  df-rex 2514  df-v 2801  df-un 3201  df-in 3203  df-ss 3210  df-sn 3672  df-pr 3673  df-op 3675  df-uni 3889  df-br 4084  df-iota 5278  df-fv 5326  df-ov 6004  df-2 9169
This theorem is referenced by:  3t2e6  9267  4t2e8  9269  6t2e12  9681  7t2e14  9686  8t2e16  9692  9t2e18  9699
  Copyright terms: Public domain W3C validator