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| Mirrors > Home > ILE Home > Th. List > 8nn0 | Unicode version | ||
| Description: 8 is a nonnegative integer. (Contributed by Mario Carneiro, 19-Apr-2015.) |
| Ref | Expression |
|---|---|
| 8nn0 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 8nn 9476 |
. 2
| |
| 2 | 1 | nnnn0i 9575 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 ax-sep 4249 ax-cnex 8270 ax-resscn 8271 ax-1re 8273 ax-addrcl 8276 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ral 2533 df-rex 2534 df-v 2823 df-un 3224 df-in 3226 df-ss 3233 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-int 3971 df-br 4131 df-iota 5337 df-fv 5385 df-ov 6088 df-inn 9307 df-2 9365 df-3 9366 df-4 9367 df-5 9368 df-6 9369 df-7 9370 df-8 9371 df-n0 9568 |
| This theorem is used by: 8p3e11 9866 8p4e12 9867 8p5e13 9868 8p6e14 9869 8p7e15 9870 8p8e16 9871 9p9e18 9879 6t4e24 9891 7t5e35 9897 8t3e24 9901 8t4e32 9902 8t5e40 9903 8t6e48 9904 8t7e56 9905 8t8e64 9906 9t3e27 9908 9t9e81 9914 2exp7 13234 2exp11 13236 2exp16 13237 19prm 13252 prmlem2 13254 37prm 13255 43prm 13256 83prm 13257 139prm 13258 163prm 13259 317prm 13260 631prm 13261 1259lem1 13262 1259lem2 13263 1259lem3 13264 1259lem4 13265 1259lem5 13266 1259prm 13267 slotsdnscsi 13626 log2ublem3 16142 log2ublog2 16143 bpos1 16208 2lgslem3a 16310 2lgslem3b 16311 2lgslem3c 16312 2lgslem3d 16313 basendxltedgfndx 16349 ex-exp 16839 |
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