| 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 11209 | . 2 ⊢ 0 ∈ ℝ | |
| 2 | ltpnf 13144 | . 2 ⊢ (0 ∈ ℝ → 0 < +∞) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ 0 < +∞ |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2149 class class class wbr 5113 ℝcr 11098 0cc0 11099 +∞cpnf 11239 < clt 11242 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-ext 2741 ax-sep 5261 ax-pow 5337 ax-pr 5405 ax-un 7733 ax-cnex 11155 ax-1cn 11157 ax-addrcl 11160 ax-rnegex 11170 ax-cnre 11172 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-sb 2098 df-clab 2748 df-cleq 2761 df-clel 2844 df-ral 3086 df-rex 3096 df-rab 3424 df-v 3465 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4295 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4877 df-br 5114 df-opab 5178 df-xp 5668 df-pnf 11244 df-xr 11246 df-ltxr 11247 |
| This theorem is referenced by: xmulgt0 13308 reltxrnmnf 13368 hashneq0 14399 hashge2el2dif 14516 sgnpnf 15129 pnfnei 23345 0bdop 32285 xlt2addrd 33044 xnn0gt0 33054 xrge0mulc1cn 34275 pnfneige0 34285 lmxrge0 34286 mbfposadd 38205 ftc1anclem5 38235 fourierdlem111 46822 fouriersw 46836 |
| Copyright terms: Public domain | W3C validator |