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| Mirrors > Home > ILE Home > Th. List > 0le0 | GIF version | ||
| Description: Zero is nonnegative. (Contributed by David A. Wheeler, 7-Jul-2016.) |
| Ref | Expression |
|---|---|
| 0le0 | ⊢ 0 ≤ 0 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 0re 8332 | . 2 ⊢ 0 ∈ ℝ | |
| 2 | 1 | leidi 8820 | 1 ⊢ 0 ≤ 0 |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: class class class wbr 4131 0cc0 8185 ≤ cle 8367 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 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-14 2212 ax-ext 2220 ax-sep 4251 ax-pow 4313 ax-pr 4348 ax-un 4580 ax-setind 4686 ax-cnex 8276 ax-resscn 8277 ax-1re 8279 ax-addrcl 8282 ax-rnegex 8294 ax-pre-ltirr 8297 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-nel 2516 df-ral 2533 df-rex 2534 df-rab 2537 df-v 2823 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-br 4132 df-opab 4194 df-xp 4782 df-cnv 4784 df-pnf 8368 df-mnf 8369 df-xr 8370 df-ltxr 8371 df-le 8372 |
| This theorem is used by: nn0ge0 9599 nn0ledivnn 10185 xsubge0 10300 0e0icopnf 10398 0e0iccpnf 10399 0elunit 10405 q0mod 10813 exp0 11001 sqrt0rlem 11791 sqrt00 11828 xrmaxadd 12052 fsumabs 12257 pcmptdvds 13153 ballotfilemrc 13332 log2ublem3 16223 chtqwordi 16263 ppiqwordi 16268 bposlem1 16311 bposlem6 16316 trilpolemclim 17292 trilpolemlt1 17297 nconstwlpolemgt0 17321 |
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