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| Mirrors > Home > MPE Home > Th. List > leid | Structured version Visualization version GIF version | ||
| Description: 'Less than or equal to' is reflexive. (Contributed by NM, 18-Aug-1999.) |
| Ref | Expression |
|---|---|
| leid | ⊢ (𝐴 ∈ ℝ → 𝐴 ≤ 𝐴) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2737 | . . . 4 ⊢ 𝐴 = 𝐴 | |
| 2 | 1 | olci 867 | . . 3 ⊢ (𝐴 < 𝐴 ∨ 𝐴 = 𝐴) |
| 3 | leloe 11221 | . . 3 ⊢ ((𝐴 ∈ ℝ ∧ 𝐴 ∈ ℝ) → (𝐴 ≤ 𝐴 ↔ (𝐴 < 𝐴 ∨ 𝐴 = 𝐴))) | |
| 4 | 2, 3 | mpbiri 258 | . 2 ⊢ ((𝐴 ∈ ℝ ∧ 𝐴 ∈ ℝ) → 𝐴 ≤ 𝐴) |
| 5 | 4 | anidms 566 | 1 ⊢ (𝐴 ∈ ℝ → 𝐴 ≤ 𝐴) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 ∨ wo 848 = wceq 1542 ∈ wcel 2114 class class class wbr 5086 ℝcr 11026 < clt 11168 ≤ cle 11169 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5231 ax-nul 5241 ax-pow 5300 ax-pr 5368 ax-un 7680 ax-resscn 11084 ax-pre-lttri 11101 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-br 5087 df-opab 5149 df-mpt 5168 df-id 5517 df-xp 5628 df-rel 5629 df-cnv 5630 df-co 5631 df-dm 5632 df-rn 5633 df-res 5634 df-ima 5635 df-iota 6446 df-fun 6492 df-fn 6493 df-f 6494 df-f1 6495 df-fo 6496 df-f1o 6497 df-fv 6498 df-er 8634 df-en 8885 df-dom 8886 df-sdom 8887 df-pnf 11170 df-mnf 11171 df-xr 11172 df-ltxr 11173 df-le 11174 |
| This theorem is referenced by: eqle 11237 mulge0 11657 msqge0 11660 leidi 11673 leidd 11705 lemulge11 12007 lediv2a 12039 nn2ge 12193 max1ALT 13127 lo1const 15572 isumless 15799 retos 21606 itg2itg1 25712 itg20 25713 nmobndi 30866 breprexp 34798 relowlpssretop 37691 iuneqfzuzlem 45779 fmuldfeq 46028 volioc 46415 caratheodorylem1 46969 |
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