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| Mirrors > Home > ILE Home > Th. List > 4nn0 | Unicode version | ||
| Description: 4 is a nonnegative integer. (Contributed by Mario Carneiro, 18-Feb-2014.) |
| Ref | Expression |
|---|---|
| 4nn0 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 4nn 9468 |
. 2
| |
| 2 | 1 | nnnn0i 9571 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on 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 4249 ax-cnex 8270 ax-resscn 8271 ax-1re 8273 ax-addrcl 8276 |
| This proof 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 3715 df-pr 3716 df-op 3718 df-uni 3936 df-int 3971 df-br 4131 df-iota 5337 df-fv 5385 df-ov 6088 df-inn 9305 df-2 9363 df-3 9364 df-4 9365 df-n0 9564 |
| This theorem is used by: 6p5e11 9849 7p5e12 9853 8p5e13 9859 8p7e15 9861 9p5e14 9866 9p6e15 9867 4t3e12 9874 4t4e16 9875 5t5e25 9879 6t4e24 9882 6t5e30 9883 7t3e21 9886 7t5e35 9888 7t7e49 9890 8t3e24 9892 8t4e32 9893 8t5e40 9894 8t6e48 9895 8t7e56 9896 8t8e64 9897 9t5e45 9901 9t6e54 9902 9t7e63 9903 decbin3 9918 fzo0to42pr 10638 4bc3eq4 11212 resin4p 12485 recos4p 12486 ef01bndlem 12523 sin01bnd 12524 cos01bnd 12525 prm23lt5 13042 2exp7 13213 2exp8 13214 2exp11 13215 2exp16 13216 2expltfac 13218 slotsdifdsndx 13579 slotsdifunifndx 13586 prdsvalstrd 13620 binom4 16081 log2ublem3 16085 log2ublog2 16086 2lgslem3a 16212 2lgslem3b 16213 2lgslem3c 16214 2lgslem3d 16215 ex-exp 16741 ex-fac 16742 ex-bc 16743 |
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