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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 12530. (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 12530 | . . 3 ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) → (𝐴 < 𝐵 → 𝐴 ≤ 𝐵)) | |
5 | 2, 3, 4 | syl2anc 587 | . 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 2111 class class class wbr 5030 ℝ*cxr 10663 < clt 10664 ≤ cle 10665 |
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 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2770 ax-sep 5167 ax-nul 5174 ax-pow 5231 ax-pr 5295 ax-un 7441 ax-cnex 10582 ax-resscn 10583 ax-pre-lttri 10600 ax-pre-lttrn 10601 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3or 1085 df-3an 1086 df-tru 1541 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2598 df-eu 2629 df-clab 2777 df-cleq 2791 df-clel 2870 df-nfc 2938 df-ne 2988 df-nel 3092 df-ral 3111 df-rex 3112 df-rab 3115 df-v 3443 df-sbc 3721 df-csb 3829 df-dif 3884 df-un 3886 df-in 3888 df-ss 3898 df-nul 4244 df-if 4426 df-pw 4499 df-sn 4526 df-pr 4528 df-op 4532 df-uni 4801 df-br 5031 df-opab 5093 df-mpt 5111 df-id 5425 df-po 5438 df-so 5439 df-xp 5525 df-rel 5526 df-cnv 5527 df-co 5528 df-dm 5529 df-rn 5530 df-res 5531 df-ima 5532 df-iota 6283 df-fun 6326 df-fn 6327 df-f 6328 df-f1 6329 df-fo 6330 df-f1o 6331 df-fv 6332 df-er 8272 df-en 8493 df-dom 8494 df-sdom 8495 df-pnf 10666 df-mnf 10667 df-xr 10668 df-ltxr 10669 df-le 10670 |
This theorem is referenced by: qextltlem 12583 ioounsn 12855 snunioc 12858 pcadd2 16216 xblss2ps 23008 xblss2 23009 blhalf 23012 blssps 23031 blss 23032 blcvx 23403 tgqioo 23405 metdcnlem 23441 ioorcl2 24176 volivth 24211 itg2monolem2 24355 itg2cnlem2 24366 dvferm1lem 24587 dvferm2lem 24589 dvferm 24591 dvivthlem1 24611 lhop2 24618 radcnvle 25015 difioo 30531 heicant 35092 ftc1anclem7 35136 supxrgere 41965 suplesup 41971 infrpge 41983 xralrple2 41986 xrralrecnnle 42017 xrralrecnnge 42026 supxrunb3 42036 unb2ltle 42052 xrpnf 42125 snunioo1 42149 iccdifprioo 42153 iccdificc 42176 lptioo1 42274 limsupub 42346 limsuppnflem 42352 limsupre3lem 42374 xlimmnfvlem1 42474 xlimpnfvlem1 42478 fourierdlem46 42794 fourierdlem48 42796 fourierdlem49 42797 fourierdlem74 42822 fourierdlem75 42823 fourierdlem113 42861 ioorrnopnxrlem 42948 salexct2 42979 sge0iunmptlemre 43054 sge0rpcpnf 43060 sge0xaddlem1 43072 meaiuninc3v 43123 ovnsubaddlem1 43209 hoidmv1le 43233 hoidmvlelem5 43238 ovolval4lem1 43288 ovolval5lem1 43291 pimltmnf2 43336 pimgtpnf2 43342 preimageiingt 43355 preimaleiinlt 43356 iccpartleu 43945 iccpartgel 43946 |
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