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Theorem 6p4e10 9783
Description: 6 + 4 = 10. (Contributed by NM, 5-Feb-2007.) (Revised by Stanislas Polu, 7-Apr-2020.) (Revised by AV, 6-Sep-2021.)
Assertion
Ref Expression
6p4e10  |-  ( 6  +  4 )  = ; 1
0

Proof of Theorem 6p4e10
StepHypRef Expression
1 df-4 9300 . . . 4  |-  4  =  ( 3  +  1 )
21oveq2i 6063 . . 3  |-  ( 6  +  4 )  =  ( 6  +  ( 3  +  1 ) )
3 6cn 9321 . . . 4  |-  6  e.  CC
4 3cn 9314 . . . 4  |-  3  e.  CC
5 ax-1cn 8222 . . . 4  |-  1  e.  CC
63, 4, 5addassi 8284 . . 3  |-  ( ( 6  +  3 )  +  1 )  =  ( 6  +  ( 3  +  1 ) )
72, 6eqtr4i 2258 . 2  |-  ( 6  +  4 )  =  ( ( 6  +  3 )  +  1 )
8 6p3e9 9390 . . 3  |-  ( 6  +  3 )  =  9
98oveq1i 6062 . 2  |-  ( ( 6  +  3 )  +  1 )  =  ( 9  +  1 )
10 9p1e10 9714 . 2  |-  ( 9  +  1 )  = ; 1
0
117, 9, 103eqtri 2259 1  |-  ( 6  +  4 )  = ; 1
0
Colors of variables: wff set class
Syntax hints:    = wceq 1398  (class class class)co 6052   0cc0 8129   1c1 8130    + caddc 8132   3c3 9291   4c4 9292   6c6 9294   9c9 9297  ;cdc 9712
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 717  ax-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-10 1554  ax-11 1555  ax-i12 1556  ax-bndl 1558  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-ext 2216  ax-sep 4230  ax-cnex 8220  ax-resscn 8221  ax-1cn 8222  ax-1re 8223  ax-icn 8224  ax-addcl 8225  ax-addrcl 8226  ax-mulcl 8227  ax-mulcom 8230  ax-addass 8231  ax-mulass 8232  ax-distr 8233  ax-1rid 8236  ax-0id 8237  ax-cnre 8240
This theorem depends on definitions:  df-bi 117  df-3an 1007  df-tru 1401  df-nf 1510  df-sb 1812  df-clab 2221  df-cleq 2227  df-clel 2230  df-nfc 2375  df-ral 2527  df-rex 2528  df-rab 2531  df-v 2817  df-un 3217  df-in 3219  df-ss 3226  df-sn 3697  df-pr 3698  df-op 3700  df-uni 3917  df-int 3952  df-br 4112  df-iota 5314  df-fv 5362  df-ov 6055  df-inn 9240  df-2 9298  df-3 9299  df-4 9300  df-5 9301  df-6 9302  df-7 9303  df-8 9304  df-9 9305  df-dec 9713
This theorem is referenced by:  6p5e11  9784  6t5e30  9818  2exp11  13138  ex-bc  16514
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