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| Mirrors > Home > MPE Home > Th. List > Mathboxes > 3fno | Structured version Visualization version GIF version | ||
| Description: Ordinal three maps to a surreal number. (Contributed by RP, 21-Sep-2023.) |
| Ref | Expression |
|---|---|
| 3fno | ⊢ (3o × {2o}) ∈ No |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 3on 8472 | . 2 ⊢ 3o ∈ On | |
| 2 | 1 | onnoxpi 44274 | 1 ⊢ (3o × {2o}) ∈ No |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∈ wcel 2145 {csn 4584 × cxp 5653 2oc2o 8449 3oc3o 8450 No csur 27876 |
| 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-sep 5251 ax-nul 5263 ax-pow 5330 ax-pr 5398 ax-un 7736 |
| 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-rab 3413 df-v 3452 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-ord 6360 df-on 6361 df-suc 6363 df-fun 6535 df-fn 6536 df-f 6537 df-1o 8455 df-2o 8456 df-3o 8457 df-no 27879 |
| This theorem is used by: (None) |
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