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| Mirrors > Home > MPE Home > Th. List > 2sno | Structured version Visualization version GIF version | ||
| Description: Surreal two is a surreal number. (Contributed by Scott Fenton, 23-Jul-2025.) |
| Ref | Expression |
|---|---|
| 2sno | ⊢ 2s ∈ No |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 2nns 28334 | . 2 ⊢ 2s ∈ ℕs | |
| 2 | nnsno 28246 | . 2 ⊢ (2s ∈ ℕs → 2s ∈ No ) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ 2s ∈ No |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2110 No csur 27571 ℕscnns 28236 2sc2s 28326 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2112 ax-9 2120 ax-10 2143 ax-11 2159 ax-12 2179 ax-ext 2702 ax-rep 5215 ax-sep 5232 ax-nul 5242 ax-pow 5301 ax-pr 5368 ax-un 7663 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2067 df-mo 2534 df-eu 2563 df-clab 2709 df-cleq 2722 df-clel 2804 df-nfc 2879 df-ne 2927 df-ral 3046 df-rex 3055 df-rmo 3344 df-reu 3345 df-rab 3394 df-v 3436 df-sbc 3740 df-csb 3849 df-dif 3903 df-un 3905 df-in 3907 df-ss 3917 df-pss 3920 df-nul 4282 df-if 4474 df-pw 4550 df-sn 4575 df-pr 4577 df-tp 4579 df-op 4581 df-ot 4583 df-uni 4858 df-int 4896 df-iun 4941 df-br 5090 df-opab 5152 df-mpt 5171 df-tr 5197 df-id 5509 df-eprel 5514 df-po 5522 df-so 5523 df-fr 5567 df-se 5568 df-we 5569 df-xp 5620 df-rel 5621 df-cnv 5622 df-co 5623 df-dm 5624 df-rn 5625 df-res 5626 df-ima 5627 df-pred 6244 df-ord 6305 df-on 6306 df-lim 6307 df-suc 6308 df-iota 6433 df-fun 6479 df-fn 6480 df-f 6481 df-f1 6482 df-fo 6483 df-f1o 6484 df-fv 6485 df-riota 7298 df-ov 7344 df-oprab 7345 df-mpo 7346 df-om 7792 df-1st 7916 df-2nd 7917 df-frecs 8206 df-wrecs 8237 df-recs 8286 df-rdg 8324 df-1o 8380 df-2o 8381 df-nadd 8576 df-no 27574 df-slt 27575 df-bday 27576 df-sle 27677 df-sslt 27714 df-scut 27716 df-0s 27761 df-1s 27762 df-made 27781 df-old 27782 df-left 27784 df-right 27785 df-norec2 27885 df-adds 27896 df-n0s 28237 df-nns 28238 df-2s 28327 |
| This theorem is referenced by: n0seo 28337 zseo 28338 nohalf 28340 pw2recs 28354 pw2divscld 28355 pw2divsmuld 28356 pw2divscan3d 28357 pw2divscan2d 28358 pw2divsassd 28359 pw2divscan4d 28360 pw2gt0divsd 28361 pw2ge0divsd 28362 pw2divsrecd 28363 pw2divsnegd 28365 pw2sltdivmuld 28366 pw2sltmuldiv2d 28367 avgslt1d 28369 avgslt2d 28370 halfcut 28371 addhalfcut 28372 pw2cut 28373 pw2cutp1 28374 pw2cut2 28375 zzs12 28378 zs12addscl 28380 zs12half 28383 zs12zodd 28385 zs12ge0 28386 zs12bday 28387 |
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