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Theorem 5p5e10 9742
Description: 5 + 5 = 10. (Contributed by NM, 5-Feb-2007.) (Revised by Stanislas Polu, 7-Apr-2020.) (Revised by AV, 6-Sep-2021.)
Assertion
Ref Expression
5p5e10  |-  ( 5  +  5 )  = ; 1
0

Proof of Theorem 5p5e10
StepHypRef Expression
1 df-5 9264 . . . 4  |-  5  =  ( 4  +  1 )
21oveq2i 6039 . . 3  |-  ( 5  +  5 )  =  ( 5  +  ( 4  +  1 ) )
3 5cn 9282 . . . 4  |-  5  e.  CC
4 4cn 9280 . . . 4  |-  4  e.  CC
5 ax-1cn 8185 . . . 4  |-  1  e.  CC
63, 4, 5addassi 8247 . . 3  |-  ( ( 5  +  4 )  +  1 )  =  ( 5  +  ( 4  +  1 ) )
72, 6eqtr4i 2255 . 2  |-  ( 5  +  5 )  =  ( ( 5  +  4 )  +  1 )
8 5p4e9 9351 . . 3  |-  ( 5  +  4 )  =  9
98oveq1i 6038 . 2  |-  ( ( 5  +  4 )  +  1 )  =  ( 9  +  1 )
10 9p1e10 9674 . 2  |-  ( 9  +  1 )  = ; 1
0
117, 9, 103eqtri 2256 1  |-  ( 5  +  5 )  = ; 1
0
Colors of variables: wff set class
Syntax hints:    = wceq 1398  (class class class)co 6028   0cc0 8092   1c1 8093    + caddc 8095   4c4 9255   5c5 9256   9c9 9260  ;cdc 9672
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 2213  ax-sep 4212  ax-cnex 8183  ax-resscn 8184  ax-1cn 8185  ax-1re 8186  ax-icn 8187  ax-addcl 8188  ax-addrcl 8189  ax-mulcl 8190  ax-mulcom 8193  ax-addass 8194  ax-mulass 8195  ax-distr 8196  ax-1rid 8199  ax-0id 8200  ax-cnre 8203
This theorem depends on definitions:  df-bi 117  df-3an 1007  df-tru 1401  df-nf 1510  df-sb 1811  df-clab 2218  df-cleq 2224  df-clel 2227  df-nfc 2364  df-ral 2516  df-rex 2517  df-rab 2520  df-v 2805  df-un 3205  df-in 3207  df-ss 3214  df-sn 3679  df-pr 3680  df-op 3682  df-uni 3899  df-int 3934  df-br 4094  df-iota 5293  df-fv 5341  df-ov 6031  df-inn 9203  df-2 9261  df-3 9262  df-4 9263  df-5 9264  df-6 9265  df-7 9266  df-8 9267  df-9 9268  df-dec 9673
This theorem is referenced by:  5t2e10  9771  5t4e20  9773
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