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| Mirrors > Home > ILE Home > Th. List > 4nn0 | GIF version | ||
| Description: 4 is a nonnegative integer. (Contributed by Mario Carneiro, 18-Feb-2014.) |
| Ref | Expression |
|---|---|
| 4nn0 | ⊢ 4 ∈ ℕ0 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 4nn 9349 | . 2 ⊢ 4 ∈ ℕ | |
| 2 | 1 | nnnn0i 9452 | 1 ⊢ 4 ∈ ℕ0 |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2202 4c4 9238 ℕ0cn0 9444 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-ext 2213 ax-sep 4212 ax-cnex 8166 ax-resscn 8167 ax-1re 8169 ax-addrcl 8172 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-ral 2516 df-rex 2517 df-v 2805 df-un 3205 df-in 3207 df-ss 3214 df-sn 3679 df-pr 3680 df-op 3682 df-uni 3899 df-int 3934 df-br 4094 df-iota 5293 df-fv 5341 df-ov 6031 df-inn 9186 df-2 9244 df-3 9245 df-4 9246 df-n0 9445 |
| This theorem is referenced by: 6p5e11 9727 7p5e12 9731 8p5e13 9737 8p7e15 9739 9p5e14 9744 9p6e15 9745 4t3e12 9752 4t4e16 9753 5t5e25 9757 6t4e24 9760 6t5e30 9761 7t3e21 9764 7t5e35 9766 7t7e49 9768 8t3e24 9770 8t4e32 9771 8t5e40 9772 8t6e48 9773 8t7e56 9774 8t8e64 9775 9t5e45 9779 9t6e54 9780 9t7e63 9781 decbin3 9796 fzo0to42pr 10511 4bc3eq4 11081 resin4p 12342 recos4p 12343 ef01bndlem 12380 sin01bnd 12381 cos01bnd 12382 prm23lt5 12899 2exp7 13070 2exp8 13071 2exp11 13072 2exp16 13073 2expltfac 13075 slotsdifdsndx 13371 slotsdifunifndx 13378 prdsvalstrd 13417 binom4 15773 2lgslem3a 15895 2lgslem3b 15896 2lgslem3c 15897 2lgslem3d 15898 ex-exp 16424 ex-fac 16425 ex-bc 16426 |
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