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Mirrors > Home > ILE Home > Th. List > 1e0p1 | GIF version |
Description: The successor of zero. (Contributed by Mario Carneiro, 18-Feb-2014.) |
Ref | Expression |
---|---|
1e0p1 | ⊢ 1 = (0 + 1) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 0p1e1 8858 | . 2 ⊢ (0 + 1) = 1 | |
2 | 1 | eqcomi 2144 | 1 ⊢ 1 = (0 + 1) |
Colors of variables: wff set class |
Syntax hints: = wceq 1332 (class class class)co 5782 0cc0 7644 1c1 7645 + caddc 7647 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-5 1424 ax-gen 1426 ax-ie1 1470 ax-ie2 1471 ax-4 1488 ax-17 1507 ax-ial 1515 ax-ext 2122 ax-1cn 7737 ax-icn 7739 ax-addcl 7740 ax-mulcl 7742 ax-addcom 7744 ax-i2m1 7749 ax-0id 7752 |
This theorem depends on definitions: df-bi 116 df-cleq 2133 df-clel 2136 |
This theorem is referenced by: 6p5e11 9278 7p4e11 9281 8p3e11 9286 9p2e11 9292 fz1ssfz0 9928 fzo01 10024 bcp1nk 10540 arisum2 11300 ege2le3 11414 ef4p 11437 efgt1p2 11438 efgt1p 11439 ennnfonelem1 11956 dveflem 12895 |
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