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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 12545. (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 12545 | . . 3 ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) → (𝐴 < 𝐵 → 𝐴 ≤ 𝐵)) | |
5 | 2, 3, 4 | syl2anc 586 | . 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 2113 class class class wbr 5069 ℝ*cxr 10677 < clt 10678 ≤ cle 10679 |
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 1969 ax-7 2014 ax-8 2115 ax-9 2123 ax-10 2144 ax-11 2160 ax-12 2176 ax-ext 2796 ax-sep 5206 ax-nul 5213 ax-pow 5269 ax-pr 5333 ax-un 7464 ax-cnex 10596 ax-resscn 10597 ax-pre-lttri 10614 ax-pre-lttrn 10615 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1539 df-ex 1780 df-nf 1784 df-sb 2069 df-mo 2621 df-eu 2653 df-clab 2803 df-cleq 2817 df-clel 2896 df-nfc 2966 df-ne 3020 df-nel 3127 df-ral 3146 df-rex 3147 df-rab 3150 df-v 3499 df-sbc 3776 df-csb 3887 df-dif 3942 df-un 3944 df-in 3946 df-ss 3955 df-nul 4295 df-if 4471 df-pw 4544 df-sn 4571 df-pr 4573 df-op 4577 df-uni 4842 df-br 5070 df-opab 5132 df-mpt 5150 df-id 5463 df-po 5477 df-so 5478 df-xp 5564 df-rel 5565 df-cnv 5566 df-co 5567 df-dm 5568 df-rn 5569 df-res 5570 df-ima 5571 df-iota 6317 df-fun 6360 df-fn 6361 df-f 6362 df-f1 6363 df-fo 6364 df-f1o 6365 df-fv 6366 df-er 8292 df-en 8513 df-dom 8514 df-sdom 8515 df-pnf 10680 df-mnf 10681 df-xr 10682 df-ltxr 10683 df-le 10684 |
This theorem is referenced by: qextltlem 12598 ioounsn 12866 snunioc 12869 pcadd2 16229 xblss2ps 23014 xblss2 23015 blhalf 23018 blssps 23037 blss 23038 blcvx 23409 tgqioo 23411 metdcnlem 23447 ioorcl2 24176 volivth 24211 itg2monolem2 24355 itg2cnlem2 24366 dvferm1lem 24584 dvferm2lem 24586 dvferm 24588 dvivthlem1 24608 lhop2 24615 radcnvle 25011 difioo 30508 heicant 34931 ftc1anclem7 34977 supxrgere 41607 suplesup 41613 infrpge 41625 xralrple2 41628 xrralrecnnle 41659 xrralrecnnge 41668 supxrunb3 41678 unb2ltle 41695 xrpnf 41768 snunioo1 41794 iccdifprioo 41798 iccdificc 41821 lptioo1 41919 limsupub 41991 limsuppnflem 41997 limsupre3lem 42019 xlimmnfvlem1 42119 xlimpnfvlem1 42123 fourierdlem46 42444 fourierdlem48 42446 fourierdlem49 42447 fourierdlem74 42472 fourierdlem75 42473 fourierdlem113 42511 ioorrnopnxrlem 42598 salexct2 42629 sge0iunmptlemre 42704 sge0rpcpnf 42710 sge0xaddlem1 42722 meaiuninc3v 42773 ovnsubaddlem1 42859 hoidmv1le 42883 hoidmvlelem5 42888 ovolval4lem1 42938 ovolval5lem1 42941 pimltmnf2 42986 pimgtpnf2 42992 preimageiingt 43005 preimaleiinlt 43006 iccpartleu 43595 iccpartgel 43596 |
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