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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 11223 | . . 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 5099 ℝcr 11029 < clt 11170 ≤ cle 11171 |
| 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 5242 ax-nul 5252 ax-pow 5311 ax-pr 5378 ax-un 7682 ax-resscn 11087 ax-pre-lttri 11104 |
| 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 3062 df-rab 3401 df-v 3443 df-sbc 3742 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-nul 4287 df-if 4481 df-pw 4557 df-sn 4582 df-pr 4584 df-op 4588 df-uni 4865 df-br 5100 df-opab 5162 df-mpt 5181 df-id 5520 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-rn 5636 df-res 5637 df-ima 5638 df-iota 6449 df-fun 6495 df-fn 6496 df-f 6497 df-f1 6498 df-fo 6499 df-f1o 6500 df-fv 6501 df-er 8637 df-en 8888 df-dom 8889 df-sdom 8890 df-pnf 11172 df-mnf 11173 df-xr 11174 df-ltxr 11175 df-le 11176 |
| This theorem is referenced by: eqle 11239 mulge0 11659 msqge0 11662 leidi 11675 leidd 11707 lemulge11 12008 lediv2a 12040 nn2ge 12176 max1ALT 13105 lo1const 15548 isumless 15772 retos 21577 itg2itg1 25697 itg20 25698 nmobndi 30833 breprexp 34771 relowlpssretop 37540 iuneqfzuzlem 45615 fmuldfeq 45865 volioc 46252 caratheodorylem1 46806 |
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