| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > 0ltpnf | Structured version Visualization version GIF version | ||
| Description: Zero is less than plus infinity. (Contributed by David A. Wheeler, 8-Dec-2018.) |
| Ref | Expression |
|---|---|
| 0ltpnf | ⊢ 0 < +∞ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 0re 11137 | . 2 ⊢ 0 ∈ ℝ | |
| 2 | ltpnf 13062 | . 2 ⊢ (0 ∈ ℝ → 0 < +∞) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ 0 < +∞ |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2114 class class class wbr 5086 ℝcr 11028 0cc0 11029 +∞cpnf 11167 < clt 11170 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-ext 2709 ax-sep 5231 ax-pow 5302 ax-pr 5370 ax-un 7682 ax-cnex 11085 ax-1cn 11087 ax-addrcl 11090 ax-rnegex 11100 ax-cnre 11102 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-sb 2069 df-clab 2716 df-cleq 2729 df-clel 2812 df-ral 3053 df-rex 3063 df-rab 3391 df-v 3432 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-br 5087 df-opab 5149 df-xp 5630 df-pnf 11172 df-xr 11174 df-ltxr 11175 |
| This theorem is referenced by: xmulgt0 13226 reltxrnmnf 13286 hashneq0 14317 hashge2el2dif 14433 sgnpnf 15046 pnfnei 23195 0bdop 32079 xlt2addrd 32847 xnn0gt0 32857 xrge0mulc1cn 34101 pnfneige0 34111 lmxrge0 34112 mbfposadd 38002 ftc1anclem5 38032 fourierdlem111 46663 fouriersw 46677 |
| Copyright terms: Public domain | W3C validator |