| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > lesid | Structured version Visualization version GIF version | ||
| Description: Surreal less-than or equal is reflexive. Theorem 0(iii) of [Conway] p. 16. (Contributed by Scott Fenton, 7-Aug-2024.) |
| Ref | Expression |
|---|---|
| lesid | ⊢ (𝐴 ∈ No → 𝐴 ≤s 𝐴) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ltsirr 27735 | . 2 ⊢ (𝐴 ∈ No → ¬ 𝐴 <s 𝐴) | |
| 2 | lenlts 27741 | . . 3 ⊢ ((𝐴 ∈ No ∧ 𝐴 ∈ No ) → (𝐴 ≤s 𝐴 ↔ ¬ 𝐴 <s 𝐴)) | |
| 3 | 2 | anidms 571 | . 2 ⊢ (𝐴 ∈ No → (𝐴 ≤s 𝐴 ↔ ¬ 𝐴 <s 𝐴)) |
| 4 | 1, 3 | mpbird 258 | 1 ⊢ (𝐴 ∈ No → 𝐴 ≤s 𝐴) |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 → wi 4 ↔ wb 207 ∈ wcel 2119 class class class wbr 5079 No csur 27628 <s clts 27629 ≤s cles 27733 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-10 2152 ax-11 2168 ax-12 2189 ax-ext 2712 ax-sep 5225 ax-nul 5235 ax-pr 5369 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3or 1093 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-nf 1791 df-sb 2074 df-mo 2543 df-eu 2573 df-clab 2719 df-cleq 2732 df-clel 2815 df-nfc 2889 df-ne 2936 df-ral 3055 df-rex 3065 df-rab 3393 df-v 3434 df-sbc 3731 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-pss 3910 df-nul 4269 df-if 4462 df-pw 4538 df-sn 4563 df-pr 4565 df-tp 4567 df-op 4569 df-uni 4846 df-br 5080 df-opab 5142 df-mpt 5161 df-tr 5187 df-id 5520 df-eprel 5525 df-po 5533 df-so 5534 df-fr 5578 df-we 5580 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-ord 6320 df-on 6321 df-suc 6323 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-fv 6500 df-1o 8402 df-2o 8403 df-no 27631 df-lts 27632 df-les 27734 |
| This theorem is referenced by: maxs1 27758 maxs2 27759 mins1 27760 mins2 27761 0lt1s 27829 cofcutrtime 27944 cofss 27947 coiniss 27948 cutlt 27949 cutmax 27951 cutmin 27952 lemulsd 28155 mulsge0d 28163 lemuls1ad 28199 abs0s 28259 leabss 28265 oncutlt 28281 n0sge0 28355 n0fincut 28372 uzsind 28422 zcuts 28424 zsoring 28426 halfcut 28475 addhalfcut 28476 1reno 28514 |
| Copyright terms: Public domain | W3C validator |