| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > 7nn0 | GIF version | ||
| Description: 7 is a nonnegative integer. (Contributed by Mario Carneiro, 19-Apr-2015.) |
| Ref | Expression |
|---|---|
| 7nn0 | ⊢ 7 ∈ ℕ0 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 7nn 9404 | . 2 ⊢ 7 ∈ ℕ | |
| 2 | 1 | nnnn0i 9504 | 1 ⊢ 7 ∈ ℕ0 |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2203 7c7 9293 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-n0 9497 |
| This theorem is referenced by: 7p4e11 9784 7p5e12 9785 7p6e13 9786 7p7e14 9787 8p8e16 9794 9p8e17 9801 9p9e18 9802 7t3e21 9818 7t4e28 9819 7t5e35 9820 7t6e42 9821 7t7e49 9822 8t8e64 9829 9t3e27 9831 9t4e36 9832 9t8e72 9836 9t9e81 9837 |
| Copyright terms: Public domain | W3C validator |