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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 9297 | . 2 ⊢ 4 ∈ ℕ | |
| 2 | 1 | nnnn0i 9400 | 1 ⊢ 4 ∈ ℕ0 |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2200 4c4 9186 ℕ0cn0 9392 |
| 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 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-ext 2211 ax-sep 4205 ax-cnex 8113 ax-resscn 8114 ax-1re 8116 ax-addrcl 8119 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-nf 1507 df-sb 1809 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ral 2513 df-rex 2514 df-v 2802 df-un 3202 df-in 3204 df-ss 3211 df-sn 3673 df-pr 3674 df-op 3676 df-uni 3892 df-int 3927 df-br 4087 df-iota 5284 df-fv 5332 df-ov 6016 df-inn 9134 df-2 9192 df-3 9193 df-4 9194 df-n0 9393 |
| This theorem is referenced by: 6p5e11 9673 7p5e12 9677 8p5e13 9683 8p7e15 9685 9p5e14 9690 9p6e15 9691 4t3e12 9698 4t4e16 9699 5t5e25 9703 6t4e24 9706 6t5e30 9707 7t3e21 9710 7t5e35 9712 7t7e49 9714 8t3e24 9716 8t4e32 9717 8t5e40 9718 8t6e48 9719 8t7e56 9720 8t8e64 9721 9t5e45 9725 9t6e54 9726 9t7e63 9727 decbin3 9742 fzo0to42pr 10455 4bc3eq4 11025 resin4p 12269 recos4p 12270 ef01bndlem 12307 sin01bnd 12308 cos01bnd 12309 prm23lt5 12826 2exp7 12997 2exp8 12998 2exp11 12999 2exp16 13000 2expltfac 13002 slotsdifdsndx 13298 slotsdifunifndx 13305 prdsvalstrd 13344 binom4 15693 2lgslem3a 15812 2lgslem3b 15813 2lgslem3c 15814 2lgslem3d 15815 ex-exp 16259 ex-fac 16260 ex-bc 16261 |
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