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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 13192. (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 13192 | . . 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 2146 class class class wbr 5114 ℝ*cxr 11260 < clt 11261 ≤ cle 11262 |
| 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 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2738 ax-sep 5262 ax-nul 5274 ax-pow 5341 ax-pr 5409 ax-un 7745 ax-cnex 11174 ax-resscn 11175 ax-pre-lttri 11192 ax-pre-lttrn 11193 |
| 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 2570 df-eu 2600 df-clab 2745 df-cleq 2758 df-clel 2841 df-nfc 2915 df-ne 2962 df-nel 3068 df-ral 3083 df-rex 3093 df-rab 3420 df-v 3460 df-sbc 3748 df-csb 3857 df-dif 3911 df-un 3913 df-in 3915 df-ss 3925 df-nul 4290 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4878 df-br 5115 df-opab 5179 df-mpt 5198 df-id 5561 df-po 5574 df-so 5575 df-xp 5672 df-rel 5673 df-cnv 5674 df-co 5675 df-dm 5676 df-rn 5677 df-res 5678 df-ima 5679 df-iota 6499 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-er 8703 df-en 8953 df-dom 8954 df-sdom 8955 df-pnf 11263 df-mnf 11264 df-xr 11265 df-ltxr 11266 df-le 11267 |
| This theorem is used by: qextltlem 13246 ioounsn 13522 snunioc 13525 pcadd2 16975 xblss2ps 24595 xblss2 24596 blhalf 24599 blssps 24618 blss 24619 blcvx 24992 tgqioo 24994 metdcnlem 25031 ioorcl2 25768 volivth 25803 itg2monolem2 25947 itg2cnlem2 25958 dvferm1lem 26180 dvferm2lem 26182 dvferm 26184 dvivthlem1 26204 lhop2 26211 radcnvle 26620 difioo 33164 heicant 38347 ftc1anclem7 38391 supxrgere 46090 suplesup 46096 infrpge 46108 xralrple2 46111 xrralrecnnle 46139 xrralrecnnge 46146 supxrunb3 46155 unb2ltle 46170 xrpnf 46240 snunioo1 46269 iccdifprioo 46273 iccdificc 46296 lptioo1 46389 limsupub 46459 limsuppnflem 46465 limsupre3lem 46487 xlimmnfvlem1 46587 xlimpnfvlem1 46591 fourierdlem46 46907 fourierdlem74 46935 fourierdlem75 46936 ioorrnopnxrlem 47061 salexct2 47094 sge0iunmptlemre 47170 sge0rpcpnf 47176 sge0xaddlem1 47188 meaiuninc3v 47239 ovnsubaddlem1 47325 hoidmv1le 47349 hoidmvlelem5 47354 ovolval4lem1 47404 ovolval5lem1 47407 preimageiingt 47475 preimaleiinlt 47476 fsupdm 47597 finfdm 47601 iccpartleu 48218 iccpartgel 48219 |
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