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| Mirrors > Home > MPE Home > Th. List > xrleidd | Structured version Visualization version GIF version | ||
| Description: 'Less than or equal to' is reflexive for extended reals. Deduction form of xrleid 13307. (Contributed by Glauco Siliprandi, 26-Jun-2021.) |
| Ref | Expression |
|---|---|
| xrleidd.1 | ⊢ (𝜑 → 𝐴 ∈ ℝ*) |
| Ref | Expression |
|---|---|
| xrleidd | ⊢ (𝜑 → 𝐴 ≤ 𝐴) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | xrleidd.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℝ*) | |
| 2 | xrleid 13307 | . 2 ⊢ (𝐴 ∈ ℝ* → 𝐴 ≤ 𝐴) | |
| 3 | 1, 2 | syl 18 | 1 ⊢ (𝜑 → 𝐴 ≤ 𝐴) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2147 class class class wbr 5106 ℝ*cxr 11369 ≤ cle 11371 |
| 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 5252 ax-nul 5263 ax-pow 5331 ax-pr 5395 ax-un 7775 ax-cnex 11283 ax-resscn 11284 ax-pre-lttri 11301 ax-pre-lttrn 11302 |
| 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 5171 df-mpt 5190 df-id 5550 df-po 5563 df-so 5564 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-iota 6512 df-fun 6560 df-fn 6561 df-f 6562 df-f1 6563 df-fo 6564 df-f1o 6565 df-fv 6566 df-er 8745 df-en 9002 df-dom 9003 df-sdom 9004 df-pnf 11372 df-mnf 11373 df-xr 11374 df-ltxr 11375 df-le 11376 |
| This theorem is used by: xleadd1a 13410 supxrre 13484 infxrre 13494 icossico2d 13579 ioounsn 13635 snunioo 13636 snunico 13637 limsupgre 15677 limsupbnd1 15678 limsupbnd2 15679 pcdvdstr 17083 pcadd 17096 xrge0omnd 21781 imasdsf1olem 24722 blssps 24773 blss 24774 blcld 24854 nmolb 25066 metds0 25200 metdstri 25201 metdseq0 25204 itg2eqa 26096 mdeglt 26413 deg1lt 26445 eliccelico 33439 elicoelioo 33440 difioo 33444 ply1degltel 34196 ply1degleel 34197 ply1degltlss 34198 esumpmono 34781 signsply0 35250 iocinico 44406 xadd0ge 46539 infxrpnf 46661 monoordxrv 46696 iooiinioc 46773 limcresiooub 46857 liminflelimsupuz 47000 ismbl4 47208 sge0prle 47616 iunhoiioo 47891 iccpartleu 48715 iccpartgel 48716 iccdisj2 50216 |
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