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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 13148. (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 13148 | . . 3 ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) → (𝐴 < 𝐵 → 𝐴 ≤ 𝐵)) | |
| 5 | 2, 3, 4 | syl2anc 593 | . 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 2141 class class class wbr 5099 ℝ*cxr 11212 < clt 11213 ≤ cle 11214 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1814 ax-4 1828 ax-5 1929 ax-6 1986 ax-7 2027 ax-8 2143 ax-9 2151 ax-10 2174 ax-11 2190 ax-12 2211 ax-ext 2733 ax-sep 5245 ax-nul 5255 ax-pow 5321 ax-pr 5389 ax-un 7714 ax-cnex 11126 ax-resscn 11127 ax-pre-lttri 11144 ax-pre-lttrn 11145 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1098 df-3an 1099 df-tru 1562 df-fal 1572 df-ex 1799 df-nf 1803 df-sb 2090 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3061 df-ral 3076 df-rex 3086 df-rab 3414 df-v 3455 df-sbc 3745 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4582 df-pr 4584 df-op 4588 df-uni 4865 df-br 5100 df-opab 5162 df-mpt 5181 df-id 5540 df-po 5553 df-so 5554 df-xp 5651 df-rel 5652 df-cnv 5653 df-co 5654 df-dm 5655 df-rn 5656 df-res 5657 df-ima 5658 df-iota 6473 df-fun 6519 df-fn 6520 df-f 6521 df-f1 6522 df-fo 6523 df-f1o 6524 df-fv 6525 df-er 8673 df-en 8924 df-dom 8925 df-sdom 8926 df-pnf 11215 df-mnf 11216 df-xr 11217 df-ltxr 11218 df-le 11219 |
| This theorem is referenced by: qextltlem 13202 ioounsn 13478 snunioc 13481 pcadd2 16909 xblss2ps 24441 xblss2 24442 blhalf 24445 blssps 24464 blss 24465 blcvx 24838 tgqioo 24840 metdcnlem 24877 ioorcl2 25614 volivth 25649 itg2monolem2 25793 itg2cnlem2 25804 dvferm1lem 26026 dvferm2lem 26028 dvferm 26030 dvivthlem1 26050 lhop2 26057 radcnvle 26460 difioo 32934 heicant 38118 ftc1anclem7 38162 supxrgere 45873 suplesup 45879 infrpge 45891 xralrple2 45894 xrralrecnnle 45922 xrralrecnnge 45929 supxrunb3 45938 unb2ltle 45953 xrpnf 46023 snunioo1 46052 iccdifprioo 46056 iccdificc 46079 lptioo1 46172 limsupub 46242 limsuppnflem 46248 limsupre3lem 46270 xlimmnfvlem1 46370 xlimpnfvlem1 46374 fourierdlem46 46690 fourierdlem74 46718 fourierdlem75 46719 ioorrnopnxrlem 46844 salexct2 46877 sge0iunmptlemre 46953 sge0rpcpnf 46959 sge0xaddlem1 46971 meaiuninc3v 47022 ovnsubaddlem1 47108 hoidmv1le 47132 hoidmvlelem5 47137 ovolval4lem1 47187 ovolval5lem1 47190 preimageiingt 47258 preimaleiinlt 47259 fsupdm 47380 finfdm 47384 iccpartleu 47998 iccpartgel 47999 |
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