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| Mirrors > Home > ILE Home > Th. List > 7nn0 | Unicode version | ||
| Description: 7 is a nonnegative integer. (Contributed by Mario Carneiro, 19-Apr-2015.) |
| Ref | Expression |
|---|---|
| 7nn0 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 7nn 9310 |
. 2
| |
| 2 | 1 | nnnn0i 9410 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| 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 8123 ax-resscn 8124 ax-1re 8126 ax-addrcl 8129 |
| 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 6021 df-inn 9144 df-2 9202 df-3 9203 df-4 9204 df-5 9205 df-6 9206 df-7 9207 df-n0 9403 |
| This theorem is referenced by: 7p4e11 9686 7p5e12 9687 7p6e13 9688 7p7e14 9689 8p8e16 9696 9p8e17 9703 9p9e18 9704 7t3e21 9720 7t4e28 9721 7t5e35 9722 7t6e42 9723 7t7e49 9724 8t8e64 9731 9t3e27 9733 9t4e36 9734 9t8e72 9738 9t9e81 9739 |
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