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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 28809 | . 2 ⊢ 2s ∈ ℕs | |
| 2 | nnno 28715 | . 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 2144 Nocsur 28002 ℕscnns 28704 2sc2s 28801 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-rep 5231 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7751 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-ss 3896 df-pss 4014 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-tp 4589 df-op 4835 df-ot 4858 df-uni 4867 df-int 4907 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5545 df-eprel 5550 df-po 5558 df-so 5559 df-fr 5603 df-se 5604 df-we 5605 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-pred 6304 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-riota 7377 df-ov 7423 df-oprab 7424 df-mpo 7425 df-om 7878 df-1st 8001 df-2nd 8002 df-frecs 8302 df-wrecs 8333 df-recs 8382 df-rdg 8421 df-1o 8479 df-2o 8480 df-nadd 8678 df-no 28005 df-lts 28006 df-bday 28007 df-les 28107 df-slts 28149 df-cuts 28151 df-0s 28198 df-1s 28199 df-made 28218 df-old 28219 df-left 28221 df-right 28222 df-norec 28329 df-norec2 28340 df-adds 28351 df-negs 28412 df-subs 28413 df-n0s 28705 df-nns 28706 df-2s 28802 |
| This theorem is used by: n0seo 28812 zseo 28813 nohalf 28815 pw2recs 28829 pw2divscld 28830 pw2divmulsd 28831 pw2divscan3d 28832 pw2divscan2d 28833 pw2divsassd 28834 pw2divscan4d 28835 pw2gt0divsd 28836 pw2ge0divsd 28837 pw2divsrecd 28838 pw2divsnegd 28840 pw2ltdivmulsd 28841 pw2ltmuldivs2d 28842 avglts1d 28844 avglts2d 28845 pw2divs0d 28846 pw2divsidd 28847 pw2ltdivmuls2d 28848 halfcut 28849 addhalfcut 28850 pw2cut 28851 pw2cutp1 28852 pw2cut2 28853 bdaypw2n0bndlem 28854 bdaypw2n0bnd 28855 bdayfinbndlem1 28858 z12bdaylem1 28861 z12bdaylem2 28862 zz12s 28866 z12addscl 28868 z12shalf 28871 z12zsodd 28873 z12sge0 28874 1reno 28888 |
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