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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 8834 | . 2 ⊢ (0 + 1) = 1 | |
2 | 1 | eqcomi 2143 | 1 ⊢ 1 = (0 + 1) |
Colors of variables: wff set class |
Syntax hints: = wceq 1331 (class class class)co 5774 0cc0 7620 1c1 7621 + caddc 7623 |
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 1423 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-4 1487 ax-17 1506 ax-ial 1514 ax-ext 2121 ax-1cn 7713 ax-icn 7715 ax-addcl 7716 ax-mulcl 7718 ax-addcom 7720 ax-i2m1 7725 ax-0id 7728 |
This theorem depends on definitions: df-bi 116 df-cleq 2132 df-clel 2135 |
This theorem is referenced by: 6p5e11 9254 7p4e11 9257 8p3e11 9262 9p2e11 9268 fz1ssfz0 9897 fzo01 9993 bcp1nk 10508 arisum2 11268 ege2le3 11377 ef4p 11400 efgt1p2 11401 efgt1p 11402 ennnfonelem1 11920 dveflem 12855 |
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