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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 13175. (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 13175 | . . 3 ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) → (𝐴 < 𝐵 → 𝐴 ≤ 𝐵)) | |
| 5 | 2, 3, 4 | syl2anc 595 | . 2 ⊢ (𝜑 → (𝐴 < 𝐵 → 𝐴 ≤ 𝐵)) |
| 6 | 1, 5 | mpd 16 | 1 ⊢ (𝜑 → 𝐴 ≤ 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2143 class class class wbr 5110 ℝ*cxr 11243 < clt 11244 ≤ cle 11245 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-sep 5258 ax-nul 5270 ax-pow 5338 ax-pr 5406 ax-un 7734 ax-cnex 11157 ax-resscn 11158 ax-pre-lttri 11175 ax-pre-lttrn 11176 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-nel 3065 df-ral 3080 df-rex 3090 df-rab 3417 df-v 3457 df-sbc 3746 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4288 df-if 4489 df-pw 4565 df-sn 4591 df-pr 4593 df-op 4597 df-uni 4874 df-br 5111 df-opab 5175 df-mpt 5194 df-id 5558 df-po 5571 df-so 5572 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-er 8695 df-en 8945 df-dom 8946 df-sdom 8947 df-pnf 11246 df-mnf 11247 df-xr 11248 df-ltxr 11249 df-le 11250 |
| This theorem is referenced by: qextltlem 13229 ioounsn 13505 snunioc 13508 pcadd2 16951 xblss2ps 24539 xblss2 24540 blhalf 24543 blssps 24562 blss 24563 blcvx 24936 tgqioo 24938 metdcnlem 24975 ioorcl2 25712 volivth 25747 itg2monolem2 25891 itg2cnlem2 25902 dvferm1lem 26124 dvferm2lem 26126 dvferm 26128 dvivthlem1 26148 lhop2 26155 radcnvle 26564 difioo 33108 heicant 38287 ftc1anclem7 38331 supxrgere 46032 suplesup 46038 infrpge 46050 xralrple2 46053 xrralrecnnle 46081 xrralrecnnge 46088 supxrunb3 46097 unb2ltle 46112 xrpnf 46182 snunioo1 46211 iccdifprioo 46215 iccdificc 46238 lptioo1 46331 limsupub 46401 limsuppnflem 46407 limsupre3lem 46429 xlimmnfvlem1 46529 xlimpnfvlem1 46533 fourierdlem46 46849 fourierdlem74 46877 fourierdlem75 46878 ioorrnopnxrlem 47003 salexct2 47036 sge0iunmptlemre 47112 sge0rpcpnf 47118 sge0xaddlem1 47130 meaiuninc3v 47181 ovnsubaddlem1 47267 hoidmv1le 47291 hoidmvlelem5 47296 ovolval4lem1 47346 ovolval5lem1 47349 preimageiingt 47417 preimaleiinlt 47418 fsupdm 47539 finfdm 47543 iccpartleu 48160 iccpartgel 48161 |
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