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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 9310 | . 2 ⊢ 8 ∈ ℕ | |
| 2 | 1 | nnnn0i 9409 | 1 ⊢ 8 ∈ ℕ0 |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2202 8c8 9199 ℕ0cn0 9401 |
| 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 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-ext 2213 ax-sep 4207 ax-cnex 8122 ax-resscn 8123 ax-1re 8125 ax-addrcl 8128 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-nf 1509 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-ral 2515 df-rex 2516 df-v 2804 df-un 3204 df-in 3206 df-ss 3213 df-sn 3675 df-pr 3676 df-op 3678 df-uni 3894 df-int 3929 df-br 4089 df-iota 5286 df-fv 5334 df-ov 6020 df-inn 9143 df-2 9201 df-3 9202 df-4 9203 df-5 9204 df-6 9205 df-7 9206 df-8 9207 df-n0 9402 |
| This theorem is referenced by: 8p3e11 9690 8p4e12 9691 8p5e13 9692 8p6e14 9693 8p7e15 9694 8p8e16 9695 9p9e18 9703 6t4e24 9715 7t5e35 9721 8t3e24 9725 8t4e32 9726 8t5e40 9727 8t6e48 9728 8t7e56 9729 8t8e64 9730 9t3e27 9732 9t9e81 9738 2exp7 13006 2exp11 13008 2exp16 13009 slotsdnscsi 13305 2lgslem3a 15821 2lgslem3b 15822 2lgslem3c 15823 2lgslem3d 15824 basendxltedgfndx 15860 ex-exp 16323 |
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