| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 13308. (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 13308 | . . 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 2147 class class class wbr 5106 ℝ*cxr 11372 < clt 11373 ≤ cle 11374 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5253 ax-nul 5264 ax-pow 5332 ax-pr 5396 ax-un 7778 ax-cnex 11286 ax-resscn 11287 ax-pre-lttri 11304 ax-pre-lttrn 11305 |
| 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 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-br 5107 df-opab 5172 df-mpt 5191 df-id 5551 df-po 5564 df-so 5565 df-xp 5662 df-rel 5663 df-cnv 5664 df-co 5665 df-dm 5666 df-rn 5667 df-res 5668 df-ima 5669 df-iota 6515 df-fun 6563 df-fn 6564 df-f 6565 df-f1 6566 df-fo 6567 df-f1o 6568 df-fv 6569 df-er 8748 df-en 9005 df-dom 9006 df-sdom 9007 df-pnf 11375 df-mnf 11376 df-xr 11377 df-ltxr 11378 df-le 11379 |
| This theorem is used by: qextltlem 13362 ioounsn 13638 snunioc 13641 pcadd2 17100 xblss2ps 24753 xblss2 24754 blhalf 24757 blssps 24776 blss 24777 blcvx 25150 tgqioo 25152 metdcnlem 25189 ioorcl2 25926 volivth 25961 itg2monolem2 26105 itg2cnlem2 26116 dvferm1lem 26337 dvferm2lem 26339 dvferm 26341 dvivthlem1 26361 lhop2 26368 radcnvle 26780 difioo 33447 heicant 38778 ftc1anclem7 38822 supxrgere 46560 suplesup 46566 infrpge 46578 xralrple2 46581 xrralrecnnle 46609 xrralrecnnge 46616 supxrunb3 46625 unb2ltle 46640 xrpnf 46710 snunioo1 46739 iccdifprioo 46743 iccdificc 46766 lptioo1 46859 limsupub 46929 limsuppnflem 46935 limsupre3lem 46957 xlimmnfvlem1 47057 xlimpnfvlem1 47061 fourierdlem46 47377 fourierdlem74 47405 fourierdlem75 47406 ioorrnopnxrlem 47531 salexct2 47564 sge0iunmptlemre 47640 sge0rpcpnf 47646 sge0xaddlem1 47658 meaiuninc3v 47709 ovnsubaddlem1 47795 hoidmv1le 47819 hoidmvlelem5 47824 ovolval4lem1 47874 ovolval5lem1 47877 preimageiingt 47945 preimaleiinlt 47946 fsupdm 48067 finfdm 48071 iccpartleu 48725 iccpartgel 48726 |
| Copyright terms: Public domain | W3C validator |