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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 28397 | . 2 ⊢ 2s ∈ ℕs | |
| 2 | nnsno 28305 | . 2 ⊢ (2s ∈ ℕs → 2s ∈ No ) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ 2s ∈ No |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2114 No csur 27611 ℕscnns 28294 2sc2s 28389 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-rep 5225 ax-sep 5242 ax-nul 5252 ax-pow 5311 ax-pr 5378 ax-un 7682 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-ral 3053 df-rex 3062 df-rmo 3351 df-reu 3352 df-rab 3401 df-v 3443 df-sbc 3742 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4287 df-if 4481 df-pw 4557 df-sn 4582 df-pr 4584 df-tp 4586 df-op 4588 df-ot 4590 df-uni 4865 df-int 4904 df-iun 4949 df-br 5100 df-opab 5162 df-mpt 5181 df-tr 5207 df-id 5520 df-eprel 5525 df-po 5533 df-so 5534 df-fr 5578 df-se 5579 df-we 5580 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-rn 5636 df-res 5637 df-ima 5638 df-pred 6260 df-ord 6321 df-on 6322 df-lim 6323 df-suc 6324 df-iota 6449 df-fun 6495 df-fn 6496 df-f 6497 df-f1 6498 df-fo 6499 df-f1o 6500 df-fv 6501 df-riota 7317 df-ov 7363 df-oprab 7364 df-mpo 7365 df-om 7811 df-1st 7935 df-2nd 7936 df-frecs 8225 df-wrecs 8256 df-recs 8305 df-rdg 8343 df-1o 8399 df-2o 8400 df-nadd 8596 df-no 27614 df-slt 27615 df-bday 27616 df-sle 27717 df-sslt 27758 df-scut 27760 df-0s 27805 df-1s 27806 df-made 27825 df-old 27826 df-left 27828 df-right 27829 df-norec2 27931 df-adds 27942 df-n0s 28295 df-nns 28296 df-2s 28390 |
| This theorem is referenced by: n0seo 28400 zseo 28401 nohalf 28403 pw2recs 28417 pw2divscld 28418 pw2divsmuld 28419 pw2divscan3d 28420 pw2divscan2d 28421 pw2divsassd 28422 pw2divscan4d 28423 pw2gt0divsd 28424 pw2ge0divsd 28425 pw2divsrecd 28426 pw2divsnegd 28428 pw2sltdivmuld 28429 pw2sltmuldiv2d 28430 avgslt1d 28432 avgslt2d 28433 pw2divs0d 28434 pw2divsidd 28435 pw2sltdivmul2d 28436 halfcut 28437 addhalfcut 28438 pw2cut 28439 pw2cutp1 28440 pw2cut2 28441 bdaypw2n0sbndlem 28442 bdaypw2n0sbnd 28443 bdayfinbndlem1 28446 zs12bdaylem1 28449 zs12bdaylem2 28450 zzs12 28454 zs12addscl 28456 zs12half 28459 zs12zodd 28461 zs12ge0 28462 1reno 28476 |
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