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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 13259. (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 13259 | . . 3 ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) → (𝐴 < 𝐵 → 𝐴 ≤ 𝐵)) | |
| 5 | 2, 3, 4 | syl2anc 596 | . 2 ⊢ (𝜑 → (𝐴 < 𝐵 → 𝐴 ≤ 𝐵)) |
| 6 | 1, 5 | mpd 16 | 1 ⊢ (𝜑 → 𝐴 ≤ 𝐵) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2145 class class class wbr 5103 ℝ*cxr 11323 < clt 11324 ≤ cle 11325 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2733 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7740 ax-cnex 11237 ax-resscn 11238 ax-pre-lttri 11255 ax-pre-lttrn 11256 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3063 df-ral 3078 df-rex 3088 df-rab 3414 df-v 3453 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-br 5104 df-opab 5168 df-mpt 5187 df-id 5546 df-po 5559 df-so 5560 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-iota 6487 df-fun 6533 df-fn 6534 df-f 6535 df-f1 6536 df-fo 6537 df-f1o 6538 df-fv 6539 df-er 8701 df-en 8958 df-dom 8959 df-sdom 8960 df-pnf 11326 df-mnf 11327 df-xr 11328 df-ltxr 11329 df-le 11330 |
| This theorem is used by: qextltlem 13313 ioounsn 13589 snunioc 13592 pcadd2 17048 xblss2ps 24700 xblss2 24701 blhalf 24704 blssps 24723 blss 24724 blcvx 25097 tgqioo 25099 metdcnlem 25136 ioorcl2 25873 volivth 25908 itg2monolem2 26052 itg2cnlem2 26063 dvferm1lem 26284 dvferm2lem 26286 dvferm 26288 dvivthlem1 26308 lhop2 26315 radcnvle 26729 difioo 33356 heicant 38541 ftc1anclem7 38585 supxrgere 46289 suplesup 46295 infrpge 46307 xralrple2 46310 xrralrecnnle 46338 xrralrecnnge 46345 supxrunb3 46354 unb2ltle 46369 xrpnf 46439 snunioo1 46468 iccdifprioo 46472 iccdificc 46495 lptioo1 46588 limsupub 46658 limsuppnflem 46664 limsupre3lem 46686 xlimmnfvlem1 46786 xlimpnfvlem1 46790 fourierdlem46 47106 fourierdlem74 47134 fourierdlem75 47135 ioorrnopnxrlem 47260 salexct2 47293 sge0iunmptlemre 47369 sge0rpcpnf 47375 sge0xaddlem1 47387 meaiuninc3v 47438 ovnsubaddlem1 47524 hoidmv1le 47548 hoidmvlelem5 47553 ovolval4lem1 47603 ovolval5lem1 47606 preimageiingt 47674 preimaleiinlt 47675 fsupdm 47796 finfdm 47800 iccpartleu 48454 iccpartgel 48455 |
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