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Mirrors > Home > MPE Home > Th. List > mnflt0 | Structured version Visualization version GIF version |
Description: Minus infinity is less than 0. (Contributed by David A. Wheeler, 8-Dec-2018.) |
Ref | Expression |
---|---|
mnflt0 | ⊢ -∞ < 0 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 0re 10637 | . 2 ⊢ 0 ∈ ℝ | |
2 | mnflt 12512 | . 2 ⊢ (0 ∈ ℝ → -∞ < 0) | |
3 | 1, 2 | ax-mp 5 | 1 ⊢ -∞ < 0 |
Colors of variables: wff setvar class |
Syntax hints: ∈ wcel 2110 class class class wbr 5058 ℝcr 10530 0cc0 10531 -∞cmnf 10667 < clt 10669 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2157 ax-12 2173 ax-ext 2793 ax-sep 5195 ax-nul 5202 ax-pow 5258 ax-pr 5321 ax-un 7455 ax-cnex 10587 ax-1cn 10589 ax-addrcl 10592 ax-rnegex 10602 ax-cnre 10604 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-mo 2618 df-eu 2650 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ral 3143 df-rex 3144 df-rab 3147 df-v 3496 df-dif 3938 df-un 3940 df-in 3942 df-ss 3951 df-nul 4291 df-if 4467 df-pw 4540 df-sn 4561 df-pr 4563 df-op 4567 df-uni 4832 df-br 5059 df-opab 5121 df-xp 5555 df-pnf 10671 df-mnf 10672 df-xr 10673 df-ltxr 10674 |
This theorem is referenced by: ge0gtmnf 12559 xsubge0 12648 sgnmnf 14448 leordtval2 21814 mnfnei 21823 ovolicopnf 24119 voliunlem3 24147 volsup 24151 volivth 24202 itg2seq 24337 itg2monolem2 24346 deg1lt0 24679 plypf1 24796 xrge00 30668 dvasin 34972 hbtlem5 39721 xrge0nemnfd 41593 xrpnf 41755 fourierdlem87 42472 fouriersw 42510 gsumge0cl 42647 sge0pr 42670 sge0ssre 42673 |
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