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| 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 27868 | . 2 ⊢ (𝐴 ∈ No → ¬ 𝐴 <s 𝐴) | |
| 2 | lenlts 27874 | . . 3 ⊢ ((𝐴 ∈ No ∧ 𝐴 ∈ No ) → (𝐴 ≤s 𝐴 ↔ ¬ 𝐴 <s 𝐴)) | |
| 3 | 2 | anidms 576 | . 2 ⊢ (𝐴 ∈ No → (𝐴 ≤s 𝐴 ↔ ¬ 𝐴 <s 𝐴)) |
| 4 | 1, 3 | mpbird 260 | 1 ⊢ (𝐴 ∈ No → 𝐴 ≤s 𝐴) |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 → wi 4 ↔ wb 209 ∈ wcel 2145 class class class wbr 5105 No csur 27762 <s clts 27763 ≤s cles 27866 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1818 ax-4 1832 ax-5 1933 ax-6 1990 ax-7 2031 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2737 ax-sep 5251 ax-nul 5261 ax-pr 5395 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1566 df-fal 1576 df-ex 1803 df-nf 1807 df-sb 2094 df-mo 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-ral 3080 df-rex 3090 df-rab 3418 df-v 3459 df-sbc 3748 df-csb 3856 df-dif 3910 df-un 3912 df-in 3914 df-ss 3924 df-pss 3927 df-nul 4289 df-if 4484 df-pw 4560 df-sn 4586 df-pr 4588 df-tp 4590 df-op 4592 df-uni 4869 df-br 5106 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5547 df-eprel 5552 df-po 5560 df-so 5561 df-fr 5605 df-we 5607 df-xp 5658 df-rel 5659 df-cnv 5660 df-co 5661 df-dm 5662 df-rn 5663 df-res 5664 df-ima 5665 df-ord 6353 df-on 6354 df-suc 6356 df-iota 6481 df-fun 6527 df-fn 6528 df-f 6529 df-fv 6533 df-1o 8441 df-2o 8442 df-no 27765 df-lts 27766 df-les 27867 |
| This theorem is referenced by: maxs1 27891 maxs2 27892 mins1 27893 mins2 27894 0lt1s 27963 cofcutrtime 28078 cofss 28081 coiniss 28082 cutlt 28083 cutmax 28085 cutmin 28086 lemulsd 28289 mulsge0d 28297 lemuls1ad 28333 abs0s 28393 leabss 28399 oncutlt 28415 n0sge0 28489 n0fincut 28506 uzsind 28556 zcuts 28558 zsoring 28560 halfcut 28609 addhalfcut 28610 1reno 28648 |
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