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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 9418 | . 2 ⊢ 4 ∈ ℕ | |
| 2 | 1 | nnnn0i 9521 | 1 ⊢ 4 ∈ ℕ0 |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2205 4c4 9307 ℕ0cn0 9513 |
| 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 2216 ax-sep 4233 ax-cnex 8234 ax-resscn 8235 ax-1re 8237 ax-addrcl 8240 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1812 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ral 2527 df-rex 2528 df-v 2817 df-un 3218 df-in 3220 df-ss 3227 df-sn 3700 df-pr 3701 df-op 3703 df-uni 3920 df-int 3955 df-br 4115 df-iota 5317 df-fv 5365 df-ov 6061 df-inn 9255 df-2 9313 df-3 9314 df-4 9315 df-n0 9514 |
| This theorem is referenced by: 6p5e11 9799 7p5e12 9803 8p5e13 9809 8p7e15 9811 9p5e14 9816 9p6e15 9817 4t3e12 9824 4t4e16 9825 5t5e25 9829 6t4e24 9832 6t5e30 9833 7t3e21 9836 7t5e35 9838 7t7e49 9840 8t3e24 9842 8t4e32 9843 8t5e40 9844 8t6e48 9845 8t7e56 9846 8t8e64 9847 9t5e45 9851 9t6e54 9852 9t7e63 9853 decbin3 9868 fzo0to42pr 10587 4bc3eq4 11161 resin4p 12429 recos4p 12430 ef01bndlem 12467 sin01bnd 12468 cos01bnd 12469 prm23lt5 12986 2exp7 13157 2exp8 13158 2exp11 13159 2exp16 13160 2expltfac 13162 slotsdifdsndx 13522 slotsdifunifndx 13529 prdsvalstrd 13563 binom4 15970 2lgslem3a 16092 2lgslem3b 16093 2lgslem3c 16094 2lgslem3d 16095 ex-exp 16621 ex-fac 16622 ex-bc 16623 |
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