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Mirrors > Home > MPE Home > Th. List > xrltled | Structured version Visualization version GIF version |
Description: 'Less than' implies 'less than or equal to' for extended reals. Deduction form of xrltle 13078. (Contributed by Glauco Siliprandi, 11-Dec-2019.) |
Ref | Expression |
---|---|
xrltled.a | ⊢ (𝜑 → 𝐴 ∈ ℝ*) |
xrltled.b | ⊢ (𝜑 → 𝐵 ∈ ℝ*) |
xrltled.altb | ⊢ (𝜑 → 𝐴 < 𝐵) |
Ref | Expression |
---|---|
xrltled | ⊢ (𝜑 → 𝐴 ≤ 𝐵) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | xrltled.altb | . 2 ⊢ (𝜑 → 𝐴 < 𝐵) | |
2 | xrltled.a | . . 3 ⊢ (𝜑 → 𝐴 ∈ ℝ*) | |
3 | xrltled.b | . . 3 ⊢ (𝜑 → 𝐵 ∈ ℝ*) | |
4 | xrltle 13078 | . . 3 ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) → (𝐴 < 𝐵 → 𝐴 ≤ 𝐵)) | |
5 | 2, 3, 4 | syl2anc 584 | . 2 ⊢ (𝜑 → (𝐴 < 𝐵 → 𝐴 ≤ 𝐵)) |
6 | 1, 5 | mpd 15 | 1 ⊢ (𝜑 → 𝐴 ≤ 𝐵) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 2106 class class class wbr 5110 ℝ*cxr 11197 < clt 11198 ≤ cle 11199 |
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 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2702 ax-sep 5261 ax-nul 5268 ax-pow 5325 ax-pr 5389 ax-un 7677 ax-cnex 11116 ax-resscn 11117 ax-pre-lttri 11134 ax-pre-lttrn 11135 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-3or 1088 df-3an 1089 df-tru 1544 df-fal 1554 df-ex 1782 df-nf 1786 df-sb 2068 df-mo 2533 df-eu 2562 df-clab 2709 df-cleq 2723 df-clel 2809 df-nfc 2884 df-ne 2940 df-nel 3046 df-ral 3061 df-rex 3070 df-rab 3406 df-v 3448 df-sbc 3743 df-csb 3859 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4288 df-if 4492 df-pw 4567 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4871 df-br 5111 df-opab 5173 df-mpt 5194 df-id 5536 df-po 5550 df-so 5551 df-xp 5644 df-rel 5645 df-cnv 5646 df-co 5647 df-dm 5648 df-rn 5649 df-res 5650 df-ima 5651 df-iota 6453 df-fun 6503 df-fn 6504 df-f 6505 df-f1 6506 df-fo 6507 df-f1o 6508 df-fv 6509 df-er 8655 df-en 8891 df-dom 8892 df-sdom 8893 df-pnf 11200 df-mnf 11201 df-xr 11202 df-ltxr 11203 df-le 11204 |
This theorem is referenced by: qextltlem 13131 ioounsn 13404 snunioc 13407 pcadd2 16773 xblss2ps 23791 xblss2 23792 blhalf 23795 blssps 23814 blss 23815 blcvx 24198 tgqioo 24200 metdcnlem 24236 ioorcl2 24973 volivth 25008 itg2monolem2 25153 itg2cnlem2 25164 dvferm1lem 25385 dvferm2lem 25387 dvferm 25389 dvivthlem1 25409 lhop2 25416 radcnvle 25816 difioo 31753 heicant 36186 ftc1anclem7 36230 supxrgere 43688 suplesup 43694 infrpge 43706 xralrple2 43709 xrralrecnnle 43738 xrralrecnnge 43745 supxrunb3 43754 unb2ltle 43770 xrpnf 43841 snunioo1 43870 iccdifprioo 43874 iccdificc 43897 lptioo1 43993 limsupub 44065 limsuppnflem 44071 limsupre3lem 44093 xlimmnfvlem1 44193 xlimpnfvlem1 44197 fourierdlem46 44513 fourierdlem48 44515 fourierdlem49 44516 fourierdlem74 44541 fourierdlem75 44542 fourierdlem113 44580 ioorrnopnxrlem 44667 salexct2 44700 sge0iunmptlemre 44776 sge0rpcpnf 44782 sge0xaddlem1 44794 meaiuninc3v 44845 ovnsubaddlem1 44931 hoidmv1le 44955 hoidmvlelem5 44960 ovolval4lem1 45010 ovolval5lem1 45013 preimageiingt 45081 preimaleiinlt 45082 fsupdm 45203 finfdm 45207 iccpartleu 45740 iccpartgel 45741 |
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