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| Mirrors > Home > ILE Home > Th. List > 8nn0 | GIF version | ||
| Description: 8 is a nonnegative integer. (Contributed by Mario Carneiro, 19-Apr-2015.) |
| Ref | Expression |
|---|---|
| 8nn0 | ⊢ 8 ∈ ℕ0 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 8nn 9405 | . 2 ⊢ 8 ∈ ℕ | |
| 2 | 1 | nnnn0i 9504 | 1 ⊢ 8 ∈ ℕ0 |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2203 8c8 9294 ℕ0cn0 9496 |
| 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 2214 ax-sep 4228 ax-cnex 8218 ax-resscn 8219 ax-1re 8221 ax-addrcl 8224 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1812 df-clab 2219 df-cleq 2225 df-clel 2228 df-nfc 2373 df-ral 2525 df-rex 2526 df-v 2815 df-un 3215 df-in 3217 df-ss 3224 df-sn 3695 df-pr 3696 df-op 3698 df-uni 3915 df-int 3950 df-br 4110 df-iota 5312 df-fv 5360 df-ov 6053 df-inn 9238 df-2 9296 df-3 9297 df-4 9298 df-5 9299 df-6 9300 df-7 9301 df-8 9302 df-n0 9497 |
| This theorem is referenced by: 8p3e11 9789 8p4e12 9790 8p5e13 9791 8p6e14 9792 8p7e15 9793 8p8e16 9794 9p9e18 9802 6t4e24 9814 7t5e35 9820 8t3e24 9824 8t4e32 9825 8t5e40 9826 8t6e48 9827 8t7e56 9828 8t8e64 9829 9t3e27 9831 9t9e81 9837 2exp7 13132 2exp11 13134 2exp16 13135 slotsdnscsi 13436 2lgslem3a 15966 2lgslem3b 15967 2lgslem3c 15968 2lgslem3d 15969 basendxltedgfndx 16005 ex-exp 16495 |
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