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Mirrors > Home > ILE Home > Th. List > 2nn0 | Unicode version |
Description: 2 is a nonnegative integer. (Contributed by Raph Levien, 10-Dec-2002.) |
Ref | Expression |
---|---|
2nn0 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 2nn 8881 | . 2 | |
2 | 1 | nnnn0i 8985 | 1 |
Colors of variables: wff set class |
Syntax hints: wcel 1480 c2 8771 cn0 8977 |
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-io 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-10 1483 ax-11 1484 ax-i12 1485 ax-bndl 1486 ax-4 1487 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2121 ax-sep 4046 ax-cnex 7711 ax-resscn 7712 ax-1re 7714 ax-addrcl 7717 |
This theorem depends on definitions: df-bi 116 df-3an 964 df-tru 1334 df-nf 1437 df-sb 1736 df-clab 2126 df-cleq 2132 df-clel 2135 df-nfc 2270 df-ral 2421 df-rex 2422 df-v 2688 df-un 3075 df-in 3077 df-ss 3084 df-sn 3533 df-pr 3534 df-op 3536 df-uni 3737 df-int 3772 df-br 3930 df-iota 5088 df-fv 5131 df-ov 5777 df-inn 8721 df-2 8779 df-n0 8978 |
This theorem is referenced by: nn0n0n1ge2 9121 7p6e13 9259 8p3e11 9262 8p5e13 9264 9p3e12 9269 9p4e13 9270 4t3e12 9279 4t4e16 9280 5t3e15 9282 5t5e25 9284 6t3e18 9286 6t5e30 9288 7t3e21 9291 7t4e28 9292 7t5e35 9293 7t6e42 9294 7t7e49 9295 8t3e24 9297 8t4e32 9298 8t5e40 9299 9t3e27 9304 9t4e36 9305 9t8e72 9309 9t9e81 9310 decbin3 9323 2eluzge0 9370 nn01to3 9409 xnn0le2is012 9649 fzo0to42pr 9997 nn0sqcl 10320 sqmul 10355 resqcl 10360 zsqcl 10363 cu2 10391 i3 10394 i4 10395 binom3 10409 nn0opthlem1d 10466 fac3 10478 faclbnd2 10488 abssq 10853 sqabs 10854 ef4p 11400 efgt1p2 11401 efi4p 11424 ef01bndlem 11463 cos01bnd 11465 oexpneg 11574 oddge22np1 11578 setsmsdsg 12649 dveflem 12855 tangtx 12919 1kp2ke3k 12936 ex-exp 12939 ex-fac 12940 |
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