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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 9427 | . 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 6088 0cc0 8185 1c1 8186 + caddc 8188 |
| 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 8278 ax-icn 8280 ax-addcl 8281 ax-mulcl 8283 ax-addcom 8285 ax-i2m1 8290 ax-0id 8293 |
| This proof depends on definitions: df-bi 117 df-cleq 2231 df-clel 2234 |
| This theorem is used by: 6p5e11 9864 7p4e11 9867 8p3e11 9872 9p2e11 9878 fz1ssfz0 10540 fz0to3un2pr 10546 fzo01 10650 bcp1nk 11221 pfx1 11496 arisum2 12290 ege2le3 12462 ef4p 12485 efgt1p2 12486 efgt1p 12487 bitsmod 12747 prmdiv 13041 11prm 13257 631prm 13269 ballotfilemii 13303 ballotfilem1c 13308 ennnfonelem1 13355 mulgnn0p1 13994 dveflem 15969 birthdaylem2 16243 ppi2 16291 ppiublem2 16309 ppiqub 16310 bclbnd 16324 bposlem2 16329 lgsdir2lem3 16371 lgseisenlem1 16411 |
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