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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 9421 | . 2 ⊢ (0 + 1) = 1 | |
| 2 | 1 | eqcomi 2242 | 1 ⊢ 1 = (0 + 1) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: = wceq 1402 (class class class)co 6085 0cc0 8180 1c1 8181 + caddc 8183 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-5 1500 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-4 1563 ax-17 1579 ax-ial 1587 ax-ext 2220 ax-1cn 8273 ax-icn 8275 ax-addcl 8276 ax-mulcl 8278 ax-addcom 8280 ax-i2m1 8285 ax-0id 8288 |
| This proof depends on definitions: df-bi 117 df-cleq 2231 df-clel 2234 |
| This theorem is used by: 6p5e11 9859 7p4e11 9862 8p3e11 9867 9p2e11 9873 fz1ssfz0 10535 fz0to3un2pr 10541 fzo01 10645 bcp1nk 11216 pfx1 11491 arisum2 12285 ege2le3 12457 ef4p 12480 efgt1p2 12481 efgt1p 12482 bitsmod 12742 prmdiv 13036 11prm 13252 631prm 13264 ballotfilemii 13298 ballotfilem1c 13303 ennnfonelem1 13350 mulgnn0p1 13989 dveflem 15918 birthdaylem2 16187 ppi2 16235 ppiublem2 16253 ppiqub 16254 bclbnd 16268 bposlem2 16273 lgsdir2lem3 16315 lgseisenlem1 16355 |
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