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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 13281. (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 13281 | . 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 2144 class class class wbr 5102 ℝ*cxr 11343 ≤ cle 11345 |
| 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 11257 ax-resscn 11258 ax-pre-lttri 11275 ax-pre-lttrn 11276 |
| 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 4584 df-pr 4586 df-op 4590 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 8718 df-en 8975 df-dom 8976 df-sdom 8977 df-pnf 11346 df-mnf 11347 df-xr 11348 df-ltxr 11349 df-le 11350 |
| This theorem is used by: xleadd1a 13384 supxrre 13458 infxrre 13468 icossico2d 13553 ioounsn 13609 snunioo 13610 snunico 13611 limsupgre 15649 limsupbnd1 15650 limsupbnd2 15651 pcdvdstr 17055 pcadd 17068 xrge0omnd 21752 imasdsf1olem 24693 blssps 24744 blss 24745 blcld 24825 nmolb 25037 metds0 25171 metdstri 25172 metdseq0 25175 itg2eqa 26067 mdeglt 26384 deg1lt 26416 eliccelico 33412 elicoelioo 33413 difioo 33417 ply1degltel 34169 ply1degleel 34170 ply1degltlss 34171 esumpmono 34754 signsply0 35223 iocinico 44290 xadd0ge 46410 infxrpnf 46532 monoordxrv 46567 iooiinioc 46644 limcresiooub 46728 liminflelimsupuz 46871 ismbl4 47079 sge0prle 47487 iunhoiioo 47762 iccpartleu 48586 iccpartgel 48587 iccdisj2 50081 |
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