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Mirrors > Home > MPE Home > Th. List > xrleid | Structured version Visualization version GIF version |
Description: 'Less than or equal to' is reflexive for extended reals. (Contributed by NM, 7-Feb-2007.) |
Ref | Expression |
---|---|
xrleid | ⊢ (𝐴 ∈ ℝ* → 𝐴 ≤ 𝐴) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqid 2610 | . . . 4 ⊢ 𝐴 = 𝐴 | |
2 | 1 | olci 405 | . . 3 ⊢ (𝐴 < 𝐴 ∨ 𝐴 = 𝐴) |
3 | xrleloe 11853 | . . 3 ⊢ ((𝐴 ∈ ℝ* ∧ 𝐴 ∈ ℝ*) → (𝐴 ≤ 𝐴 ↔ (𝐴 < 𝐴 ∨ 𝐴 = 𝐴))) | |
4 | 2, 3 | mpbiri 247 | . 2 ⊢ ((𝐴 ∈ ℝ* ∧ 𝐴 ∈ ℝ*) → 𝐴 ≤ 𝐴) |
5 | 4 | anidms 675 | 1 ⊢ (𝐴 ∈ ℝ* → 𝐴 ≤ 𝐴) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∨ wo 382 ∧ wa 383 = wceq 1475 ∈ wcel 1977 class class class wbr 4583 ℝ*cxr 9952 < clt 9953 ≤ cle 9954 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-8 1979 ax-9 1986 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-sep 4709 ax-nul 4717 ax-pow 4769 ax-pr 4833 ax-un 6847 ax-cnex 9871 ax-resscn 9872 ax-pre-lttri 9889 ax-pre-lttrn 9890 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3or 1032 df-3an 1033 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-eu 2462 df-mo 2463 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-ne 2782 df-nel 2783 df-ral 2901 df-rex 2902 df-rab 2905 df-v 3175 df-sbc 3403 df-csb 3500 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-nul 3875 df-if 4037 df-pw 4110 df-sn 4126 df-pr 4128 df-op 4132 df-uni 4373 df-br 4584 df-opab 4644 df-mpt 4645 df-id 4953 df-po 4959 df-so 4960 df-xp 5044 df-rel 5045 df-cnv 5046 df-co 5047 df-dm 5048 df-rn 5049 df-res 5050 df-ima 5051 df-iota 5768 df-fun 5806 df-fn 5807 df-f 5808 df-f1 5809 df-fo 5810 df-f1o 5811 df-fv 5812 df-er 7629 df-en 7842 df-dom 7843 df-sdom 7844 df-pnf 9955 df-mnf 9956 df-xr 9957 df-ltxr 9958 df-le 9959 |
This theorem is referenced by: xrmax1 11880 xrmax2 11881 xrmin1 11882 xrmin2 11883 xleadd1a 11955 xlemul1a 11990 supxrre 12029 infxrre 12038 iooid 12074 iccid 12091 icc0 12094 ubioc1 12098 lbico1 12099 lbicc2 12159 ubicc2 12160 snunioo 12169 snunico 12170 snunioc 12171 limsupgord 14051 limsupgre 14060 limsupbnd1 14061 limsupbnd2 14062 pcdvdstr 15418 pcadd 15431 ledm 17047 lern 17048 letsr 17050 imasdsf1olem 21988 blssps 22039 blss 22040 blcld 22120 nmolb 22331 xrsxmet 22420 metds0 22461 metdstri 22462 metdseq0 22465 ismbfd 23213 itg2eqa 23318 mdeglt 23629 deg1lt 23661 sizeusglecusg 26014 xraddge02 28911 eliccelico 28929 elicoelioo 28930 difioo 28934 xrstos 29010 xrge0omnd 29042 esumpmono 29468 signsply0 29954 elicc3 31481 ioounsn 36814 iocinico 36816 xreqle 38475 xadd0ge 38477 xrleidd 38551 snunioo2 38578 snunioo1 38585 limcresiooub 38709 ismbl4 38886 sge0prle 39294 iunhoiioo 39567 iccpartleu 39966 iccpartgel 39967 |
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