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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 9447 | . 2 ⊢ 4 ∈ ℕ | |
| 2 | 1 | nnnn0i 9550 | 1 ⊢ 4 ∈ ℕ0 |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2209 4c4 9336 ℕ0cn0 9542 |
| 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 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 4244 ax-cnex 8260 ax-resscn 8261 ax-1re 8263 ax-addrcl 8266 |
| This theorem 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 3711 df-pr 3712 df-op 3714 df-uni 3931 df-int 3966 df-br 4126 df-iota 5332 df-fv 5380 df-ov 6078 df-inn 9284 df-2 9342 df-3 9343 df-4 9344 df-n0 9543 |
| This theorem is referenced by: 6p5e11 9828 7p5e12 9832 8p5e13 9838 8p7e15 9840 9p5e14 9845 9p6e15 9846 4t3e12 9853 4t4e16 9854 5t5e25 9858 6t4e24 9861 6t5e30 9862 7t3e21 9865 7t5e35 9867 7t7e49 9869 8t3e24 9871 8t4e32 9872 8t5e40 9873 8t6e48 9874 8t7e56 9875 8t8e64 9876 9t5e45 9880 9t6e54 9881 9t7e63 9882 decbin3 9897 fzo0to42pr 10616 4bc3eq4 11190 resin4p 12463 recos4p 12464 ef01bndlem 12501 sin01bnd 12502 cos01bnd 12503 prm23lt5 13020 2exp7 13191 2exp8 13192 2exp11 13193 2exp16 13194 2expltfac 13196 slotsdifdsndx 13556 slotsdifunifndx 13563 prdsvalstrd 13597 binom4 16004 2lgslem3a 16126 2lgslem3b 16127 2lgslem3c 16128 2lgslem3d 16129 ex-exp 16655 ex-fac 16656 ex-bc 16657 |
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