| 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 11205 | . 2 ⊢ 0 ∈ ℝ | |
| 2 | ltpnf 13140 | . 2 ⊢ (0 ∈ ℝ → 0 < +∞) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ 0 < +∞ |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2143 class class class wbr 5109 ℝcr 11094 0cc0 11095 +∞cpnf 11235 < clt 11238 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-ext 2735 ax-sep 5257 ax-pow 5336 ax-pr 5404 ax-un 7732 ax-cnex 11151 ax-1cn 11153 ax-addrcl 11156 ax-rnegex 11166 ax-cnre 11168 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-sb 2097 df-clab 2742 df-cleq 2755 df-clel 2838 df-ral 3080 df-rex 3090 df-rab 3417 df-v 3457 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-nul 4287 df-if 4488 df-pw 4564 df-sn 4590 df-pr 4592 df-op 4596 df-uni 4873 df-br 5110 df-opab 5174 df-xp 5667 df-pnf 11240 df-xr 11242 df-ltxr 11243 |
| This theorem is referenced by: xmulgt0 13304 reltxrnmnf 13364 hashneq0 14396 hashge2el2dif 14513 sgnpnf 15126 pnfnei 23377 0bdop 32345 xlt2addrd 33104 xnn0gt0 33114 xrge0mulc1cn 34331 pnfneige0 34341 lmxrge0 34342 mbfposadd 38318 ftc1anclem5 38348 fourierdlem111 46931 fouriersw 46945 |
| Copyright terms: Public domain | W3C validator |