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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 9205 |
. 2
| |
| 2 | 1 | nnnn0i 9305 |
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 711 ax-5 1470 ax-7 1471 ax-gen 1472 ax-ie1 1516 ax-ie2 1517 ax-8 1527 ax-10 1528 ax-11 1529 ax-i12 1530 ax-bndl 1532 ax-4 1533 ax-17 1549 ax-i9 1553 ax-ial 1557 ax-i5r 1558 ax-ext 2187 ax-sep 4163 ax-cnex 8018 ax-resscn 8019 ax-1re 8021 ax-addrcl 8024 |
| This theorem depends on definitions: df-bi 117 df-3an 983 df-tru 1376 df-nf 1484 df-sb 1786 df-clab 2192 df-cleq 2198 df-clel 2201 df-nfc 2337 df-ral 2489 df-rex 2490 df-v 2774 df-un 3170 df-in 3172 df-ss 3179 df-sn 3639 df-pr 3640 df-op 3642 df-uni 3851 df-int 3886 df-br 4046 df-iota 5233 df-fv 5280 df-ov 5949 df-inn 9039 df-2 9097 df-3 9098 df-4 9099 df-5 9100 df-6 9101 df-7 9102 df-n0 9298 |
| This theorem is referenced by: 7p4e11 9581 7p5e12 9582 7p6e13 9583 7p7e14 9584 8p8e16 9591 9p8e17 9598 9p9e18 9599 7t3e21 9615 7t4e28 9616 7t5e35 9617 7t6e42 9618 7t7e49 9619 8t8e64 9626 9t3e27 9628 9t4e36 9629 9t8e72 9633 9t9e81 9634 |
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