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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 28837 | . 2 ⊢ 2s ∈ ℕs | |
| 2 | nnno 28743 | . 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 2147 Nocsur 28030 ℕscnns 28732 2sc2s 28829 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-rep 5236 ax-sep 5253 ax-nul 5264 ax-pow 5332 ax-pr 5396 ax-un 7778 |
| 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 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-ral 3081 df-rex 3091 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-tp 4593 df-op 4839 df-ot 4862 df-uni 4871 df-int 4911 df-iun 4956 df-br 5107 df-opab 5172 df-mpt 5191 df-tr 5217 df-id 5551 df-eprel 5556 df-po 5564 df-so 5565 df-fr 5609 df-se 5610 df-we 5611 df-xp 5662 df-rel 5663 df-cnv 5664 df-co 5665 df-dm 5666 df-rn 5667 df-res 5668 df-ima 5669 df-pred 6325 df-ord 6386 df-on 6387 df-lim 6388 df-suc 6389 df-iota 6515 df-fun 6563 df-fn 6564 df-f 6565 df-f1 6566 df-fo 6567 df-f1o 6568 df-fv 6569 df-riota 7403 df-ov 7449 df-oprab 7450 df-mpo 7451 df-om 7905 df-1st 8028 df-2nd 8029 df-frecs 8330 df-wrecs 8361 df-recs 8410 df-rdg 8449 df-1o 8507 df-2o 8508 df-nadd 8706 df-no 28033 df-lts 28034 df-bday 28035 df-les 28135 df-slts 28177 df-cuts 28179 df-0s 28226 df-1s 28227 df-made 28246 df-old 28247 df-left 28249 df-right 28250 df-norec 28357 df-norec2 28368 df-adds 28379 df-negs 28440 df-subs 28441 df-n0s 28733 df-nns 28734 df-2s 28830 |
| This theorem is used by: n0seo 28840 zseo 28841 nohalf 28843 pw2recs 28857 pw2divscld 28858 pw2divmulsd 28859 pw2divscan3d 28860 pw2divscan2d 28861 pw2divsassd 28862 pw2divscan4d 28863 pw2gt0divsd 28864 pw2ge0divsd 28865 pw2divsrecd 28866 pw2divsnegd 28868 pw2ltdivmulsd 28869 pw2ltmuldivs2d 28870 avglts1d 28872 avglts2d 28873 pw2divs0d 28874 pw2divsidd 28875 pw2ltdivmuls2d 28876 halfcut 28877 addhalfcut 28878 pw2cut 28879 pw2cutp1 28880 pw2cut2 28881 bdaypw2n0bndlem 28882 bdaypw2n0bnd 28883 bdayfinbndlem1 28886 z12bdaylem1 28889 z12bdaylem2 28890 zz12s 28894 z12addscl 28896 z12shalf 28899 z12zsodd 28901 z12sge0 28902 1reno 28916 |
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