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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 13281. (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 13281 | . . 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 2144 class class class wbr 5102 ℝ*cxr 11345 < clt 11346 ≤ cle 11347 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7751 ax-cnex 11259 ax-resscn 11260 ax-pre-lttri 11277 ax-pre-lttrn 11278 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-ss 3896 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-br 5103 df-opab 5167 df-mpt 5186 df-id 5545 df-po 5558 df-so 5559 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 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 8720 df-en 8977 df-dom 8978 df-sdom 8979 df-pnf 11348 df-mnf 11349 df-xr 11350 df-ltxr 11351 df-le 11352 |
| This theorem is used by: qextltlem 13335 ioounsn 13611 snunioc 13614 pcadd2 17073 xblss2ps 24725 xblss2 24726 blhalf 24729 blssps 24748 blss 24749 blcvx 25122 tgqioo 25124 metdcnlem 25161 ioorcl2 25898 volivth 25933 itg2monolem2 26077 itg2cnlem2 26088 dvferm1lem 26309 dvferm2lem 26311 dvferm 26313 dvivthlem1 26333 lhop2 26340 radcnvle 26752 difioo 33420 heicant 38666 ftc1anclem7 38710 supxrgere 46438 suplesup 46444 infrpge 46456 xralrple2 46459 xrralrecnnle 46487 xrralrecnnge 46494 supxrunb3 46503 unb2ltle 46518 xrpnf 46588 snunioo1 46617 iccdifprioo 46621 iccdificc 46644 lptioo1 46737 limsupub 46807 limsuppnflem 46813 limsupre3lem 46835 xlimmnfvlem1 46935 xlimpnfvlem1 46939 fourierdlem46 47255 fourierdlem74 47283 fourierdlem75 47284 ioorrnopnxrlem 47409 salexct2 47442 sge0iunmptlemre 47518 sge0rpcpnf 47524 sge0xaddlem1 47536 meaiuninc3v 47587 ovnsubaddlem1 47673 hoidmv1le 47697 hoidmvlelem5 47702 ovolval4lem1 47752 ovolval5lem1 47755 preimageiingt 47823 preimaleiinlt 47824 fsupdm 47945 finfdm 47949 iccpartleu 48603 iccpartgel 48604 |
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