| 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 27724 | . 2 ⊢ (𝐴 ∈ No → ¬ 𝐴 <s 𝐴) | |
| 2 | lenlts 27730 | . . 3 ⊢ ((𝐴 ∈ No ∧ 𝐴 ∈ No ) → (𝐴 ≤s 𝐴 ↔ ¬ 𝐴 <s 𝐴)) | |
| 3 | 2 | anidms 566 | . 2 ⊢ (𝐴 ∈ No → (𝐴 ≤s 𝐴 ↔ ¬ 𝐴 <s 𝐴)) |
| 4 | 1, 3 | mpbird 257 | 1 ⊢ (𝐴 ∈ No → 𝐴 ≤s 𝐴) |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 → wi 4 ↔ wb 206 ∈ wcel 2114 class class class wbr 5086 No csur 27617 <s clts 27618 ≤s cles 27722 |
| 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-pr 5370 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 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-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-pss 3910 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-tp 4573 df-op 4575 df-uni 4852 df-br 5087 df-opab 5149 df-mpt 5168 df-tr 5194 df-id 5519 df-eprel 5524 df-po 5532 df-so 5533 df-fr 5577 df-we 5579 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 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 8398 df-2o 8399 df-no 27620 df-lts 27621 df-les 27723 |
| This theorem is referenced by: maxs1 27747 maxs2 27748 mins1 27749 mins2 27750 0lt1s 27818 cofcutrtime 27933 cofss 27936 coiniss 27937 cutlt 27938 cutmax 27940 cutmin 27941 lemulsd 28144 mulsge0d 28152 lemuls1ad 28188 abs0s 28248 leabss 28254 oncutlt 28270 n0sge0 28344 n0fincut 28361 uzsind 28411 zcuts 28413 zsoring 28415 halfcut 28464 addhalfcut 28465 1reno 28503 |
| Copyright terms: Public domain | W3C validator |