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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 9453 |
. 2
| |
| 2 | 1 | nnnn0i 9553 |
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 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 ax-sep 4247 ax-cnex 8263 ax-resscn 8264 ax-1re 8266 ax-addrcl 8269 |
| This theorem depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ral 2533 df-rex 2534 df-v 2823 df-un 3224 df-in 3226 df-ss 3233 df-sn 3714 df-pr 3715 df-op 3717 df-uni 3934 df-int 3969 df-br 4129 df-iota 5335 df-fv 5383 df-ov 6081 df-inn 9287 df-2 9345 df-3 9346 df-4 9347 df-5 9348 df-6 9349 df-7 9350 df-n0 9546 |
| This theorem is referenced by: 7p4e11 9834 7p5e12 9835 7p6e13 9836 7p7e14 9837 8p8e16 9844 9p8e17 9851 9p9e18 9852 7t3e21 9868 7t4e28 9869 7t5e35 9870 7t6e42 9871 7t7e49 9872 8t8e64 9879 9t3e27 9881 9t4e36 9882 9t8e72 9886 9t9e81 9887 |
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