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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 28488 | . 2 ⊢ 2s ∈ ℕs | |
| 2 | nnno 28394 | . 2 ⊢ (2s ∈ ℕs → 2s ∈ No ) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ 2s ∈ No |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2141 No csur 27681 ℕscnns 28383 2sc2s 28480 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1814 ax-4 1828 ax-5 1929 ax-6 1986 ax-7 2027 ax-8 2143 ax-9 2151 ax-10 2174 ax-11 2190 ax-12 2211 ax-ext 2733 ax-rep 5226 ax-sep 5245 ax-nul 5255 ax-pow 5321 ax-pr 5389 ax-un 7714 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1098 df-3an 1099 df-tru 1562 df-fal 1572 df-ex 1799 df-nf 1803 df-sb 2090 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-ral 3076 df-rex 3086 df-rmo 3366 df-reu 3367 df-rab 3414 df-v 3455 df-sbc 3745 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-pss 3924 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4582 df-pr 4584 df-tp 4586 df-op 4588 df-ot 4590 df-uni 4865 df-int 4905 df-iun 4950 df-br 5100 df-opab 5162 df-mpt 5181 df-tr 5207 df-id 5540 df-eprel 5545 df-po 5553 df-so 5554 df-fr 5598 df-se 5599 df-we 5600 df-xp 5651 df-rel 5652 df-cnv 5653 df-co 5654 df-dm 5655 df-rn 5656 df-res 5657 df-ima 5658 df-pred 6284 df-ord 6345 df-on 6346 df-lim 6347 df-suc 6348 df-iota 6473 df-fun 6519 df-fn 6520 df-f 6521 df-f1 6522 df-fo 6523 df-f1o 6524 df-fv 6525 df-riota 7349 df-ov 7395 df-oprab 7396 df-mpo 7397 df-om 7843 df-1st 7966 df-2nd 7967 df-frecs 8257 df-wrecs 8288 df-recs 8337 df-rdg 8376 df-1o 8432 df-2o 8433 df-nadd 8631 df-no 27684 df-lts 27685 df-bday 27686 df-les 27786 df-slts 27828 df-cuts 27830 df-0s 27877 df-1s 27878 df-made 27897 df-old 27898 df-left 27900 df-right 27901 df-norec 28008 df-norec2 28019 df-adds 28030 df-negs 28091 df-subs 28092 df-n0s 28384 df-nns 28385 df-2s 28481 |
| This theorem is referenced by: n0seo 28491 zseo 28492 nohalf 28494 pw2recs 28508 pw2divscld 28509 pw2divmulsd 28510 pw2divscan3d 28511 pw2divscan2d 28512 pw2divsassd 28513 pw2divscan4d 28514 pw2gt0divsd 28515 pw2ge0divsd 28516 pw2divsrecd 28517 pw2divsnegd 28519 pw2ltdivmulsd 28520 pw2ltmuldivs2d 28521 avglts1d 28523 avglts2d 28524 pw2divs0d 28525 pw2divsidd 28526 pw2ltdivmuls2d 28527 halfcut 28528 addhalfcut 28529 pw2cut 28530 pw2cutp1 28531 pw2cut2 28532 bdaypw2n0bndlem 28533 bdaypw2n0bnd 28534 bdayfinbndlem1 28537 z12bdaylem1 28540 z12bdaylem2 28541 zz12s 28545 z12addscl 28547 z12shalf 28550 z12zsodd 28552 z12sge0 28553 1reno 28567 |
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