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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 28475 | . . 3 ⊢ ( bday ↾ Ons) Isom <s , E (Ons, On) | |
| 3 | isowe 7347 | . . 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 5559 We wwe 5612 ↾ cres 5662 Oncon0 6360 Isom wiso 6537 <s clts 27816 bday cbday 27817 Onscons 28455 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1824 ax-4 1838 ax-5 1939 ax-6 1996 ax-7 2037 ax-8 2144 ax-9 2152 ax-10 2175 ax-11 2191 ax-12 2212 ax-ext 2734 ax-rep 5237 ax-sep 5256 ax-nul 5268 ax-pow 5335 ax-pr 5403 ax-un 7734 |
| This proof depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1103 df-3an 1104 df-tru 1572 df-fal 1582 df-ex 1809 df-nf 1813 df-sb 2096 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-ral 3079 df-rex 3089 df-rmo 3368 df-reu 3369 df-rab 3416 df-v 3456 df-sbc 3744 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-pss 3924 df-nul 4286 df-if 4487 df-pw 4563 df-sn 4589 df-pr 4591 df-tp 4593 df-op 4595 df-uni 4872 df-int 4912 df-iun 4957 df-br 5109 df-opab 5173 df-mpt 5192 df-tr 5218 df-id 5555 df-eprel 5560 df-po 5568 df-so 5569 df-fr 5613 df-we 5615 df-xp 5666 df-rel 5667 df-cnv 5668 df-co 5669 df-dm 5670 df-rn 5671 df-res 5672 df-ima 5673 df-pred 6302 df-ord 6363 df-on 6364 df-suc 6366 df-iota 6492 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-isom 6545 df-riota 7369 df-ov 7415 df-oprab 7416 df-mpo 7417 df-2nd 7985 df-frecs 8276 df-wrecs 8307 df-recs 8356 df-1o 8451 df-2o 8452 df-no 27818 df-lts 27819 df-bday 27820 df-les 27920 df-slts 27962 df-cuts 27964 df-made 28031 df-old 28032 df-left 28034 df-right 28035 df-ons 28456 |
| This theorem is used by: onsis 28478 ons2ind 28479 |
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