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| Mirrors > Home > MPE Home > Th. List > onswe | Structured version Visualization version GIF version | ||
| Description: Surreal less-than well-orders the surreal ordinals. Part of Theorem 15 of [Conway] p. 28. (Contributed by Scott Fenton, 6-Nov-2025.) |
| Ref | Expression |
|---|---|
| onswe | ⊢ <s We Ons |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | epweon 7772 | . 2 ⊢ E We On | |
| 2 | oniso 28590 | . . 3 ⊢ ( bday ↾ Ons) Isom <s , E (Ons, On) | |
| 3 | isowe 7345 | . . 3 ⊢ (( bday ↾ Ons) Isom <s , E (Ons, On) → ( <s We Ons ↔ E We On)) | |
| 4 | 2, 3 | ax-mp 5 | . 2 ⊢ ( <s We Ons ↔ E We On) |
| 5 | 1, 4 | mpbir 234 | 1 ⊢ <s We Ons |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ↔ wb 209 E cep 5546 We wwe 5599 ↾ cres 5649 Oncon0 6351 Isom wiso 6528 <s clts 27931 bday cbday 27932 Onscons 28570 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-rep 5231 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7734 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-dif 3901 df-un 3903 df-in 3905 df-ss 3915 df-pss 3918 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4584 df-pr 4586 df-tp 4588 df-op 4590 df-uni 4867 df-int 4907 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5542 df-eprel 5547 df-po 5555 df-so 5556 df-fr 5600 df-we 5602 df-xp 5653 df-rel 5654 df-cnv 5655 df-co 5656 df-dm 5657 df-rn 5658 df-res 5659 df-ima 5660 df-pred 6293 df-ord 6354 df-on 6355 df-suc 6357 df-iota 6483 df-fun 6529 df-fn 6530 df-f 6531 df-f1 6532 df-fo 6533 df-f1o 6534 df-fv 6535 df-isom 6536 df-riota 7365 df-ov 7411 df-oprab 7412 df-mpo 7413 df-2nd 7985 df-frecs 8277 df-wrecs 8308 df-recs 8357 df-1o 8454 df-2o 8455 df-no 27933 df-lts 27934 df-bday 27935 df-les 28035 df-slts 28077 df-cuts 28079 df-made 28146 df-old 28147 df-left 28149 df-right 28150 df-ons 28571 |
| This theorem is used by: onsis 28593 ons2ind 28594 |
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