| 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 11176 | . 2 ⊢ 0 ∈ ℝ | |
| 2 | ltpnf 13080 | . 2 ⊢ (0 ∈ ℝ → 0 < +∞) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ 0 < +∞ |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2109 class class class wbr 5107 ℝcr 11067 0cc0 11068 +∞cpnf 11205 < clt 11208 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-ext 2701 ax-sep 5251 ax-nul 5261 ax-pow 5320 ax-pr 5387 ax-un 7711 ax-cnex 11124 ax-1cn 11126 ax-addrcl 11129 ax-rnegex 11139 ax-cnre 11141 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-sb 2066 df-clab 2708 df-cleq 2721 df-clel 2803 df-ral 3045 df-rex 3054 df-rab 3406 df-v 3449 df-dif 3917 df-un 3919 df-ss 3931 df-nul 4297 df-if 4489 df-pw 4565 df-sn 4590 df-pr 4592 df-op 4596 df-uni 4872 df-br 5108 df-opab 5170 df-xp 5644 df-pnf 11210 df-xr 11212 df-ltxr 11213 |
| This theorem is referenced by: xmulgt0 13243 reltxrnmnf 13303 hashneq0 14329 hashge2el2dif 14445 sgnpnf 15059 pnfnei 23107 0bdop 31922 xlt2addrd 32682 xnn0gt0 32692 xrge0mulc1cn 33931 pnfneige0 33941 lmxrge0 33942 mbfposadd 37661 ftc1anclem5 37691 fourierdlem111 46215 fouriersw 46229 |
| Copyright terms: Public domain | W3C validator |