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| Mirrors > Home > MPE Home > Th. List > 2no | Structured version Visualization version GIF version | ||
| Description: Surreal two is a surreal number. (Contributed by Scott Fenton, 23-Jul-2025.) |
| Ref | Expression |
|---|---|
| 2no | ⊢ 2s ∈ No |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 2nns 28648 | . 2 ⊢ 2s ∈ ℕs | |
| 2 | nnno 28554 | . 2 ⊢ (2s ∈ ℕs → 2s ∈ No ) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ 2s ∈ No |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∈ wcel 2146 No csur 27841 ℕscnns 28543 2sc2s 28640 |
| 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 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2738 ax-rep 5243 ax-sep 5262 ax-nul 5274 ax-pow 5341 ax-pr 5409 ax-un 7745 |
| 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 2570 df-eu 2600 df-clab 2745 df-cleq 2758 df-clel 2841 df-nfc 2915 df-ne 2962 df-ral 3083 df-rex 3093 df-rmo 3372 df-reu 3373 df-rab 3420 df-v 3460 df-sbc 3748 df-csb 3857 df-dif 3911 df-un 3913 df-in 3915 df-ss 3925 df-pss 3928 df-nul 4290 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-tp 4599 df-op 4601 df-ot 4603 df-uni 4878 df-int 4918 df-iun 4963 df-br 5115 df-opab 5179 df-mpt 5198 df-tr 5224 df-id 5561 df-eprel 5566 df-po 5574 df-so 5575 df-fr 5619 df-se 5620 df-we 5621 df-xp 5672 df-rel 5673 df-cnv 5674 df-co 5675 df-dm 5676 df-rn 5677 df-res 5678 df-ima 5679 df-pred 6309 df-ord 6370 df-on 6371 df-lim 6372 df-suc 6373 df-iota 6499 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-riota 7380 df-ov 7426 df-oprab 7427 df-mpo 7428 df-om 7872 df-1st 7995 df-2nd 7996 df-frecs 8287 df-wrecs 8318 df-recs 8367 df-rdg 8406 df-1o 8462 df-2o 8463 df-nadd 8661 df-no 27844 df-lts 27845 df-bday 27846 df-les 27946 df-slts 27988 df-cuts 27990 df-0s 28037 df-1s 28038 df-made 28057 df-old 28058 df-left 28060 df-right 28061 df-norec 28168 df-norec2 28179 df-adds 28190 df-negs 28251 df-subs 28252 df-n0s 28544 df-nns 28545 df-2s 28641 |
| This theorem is used by: n0seo 28651 zseo 28652 nohalf 28654 pw2recs 28668 pw2divscld 28669 pw2divmulsd 28670 pw2divscan3d 28671 pw2divscan2d 28672 pw2divsassd 28673 pw2divscan4d 28674 pw2gt0divsd 28675 pw2ge0divsd 28676 pw2divsrecd 28677 pw2divsnegd 28679 pw2ltdivmulsd 28680 pw2ltmuldivs2d 28681 avglts1d 28683 avglts2d 28684 pw2divs0d 28685 pw2divsidd 28686 pw2ltdivmuls2d 28687 halfcut 28688 addhalfcut 28689 pw2cut 28690 pw2cutp1 28691 pw2cut2 28692 bdaypw2n0bndlem 28693 bdaypw2n0bnd 28694 bdayfinbndlem1 28697 z12bdaylem1 28700 z12bdaylem2 28701 zz12s 28705 z12addscl 28707 z12shalf 28710 z12zsodd 28712 z12sge0 28713 1reno 28727 |
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