MPE Home Metamath Proof Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >  0n0s Structured version   Visualization version   GIF version

Theorem 0n0s 28245
Description: Peano postulate: 0s is a non-negative surreal integer. (Contributed by Scott Fenton, 17-Mar-2025.)
Assertion
Ref Expression
0n0s 0s ∈ ℕ0s

Proof of Theorem 0n0s
StepHypRef Expression
1 df-n0s 28231 . . . 4 0s = (rec((𝑥 ∈ V ↦ (𝑥 +s 1s )), 0s ) “ ω)
21a1i 11 . . 3 (⊤ → ℕ0s = (rec((𝑥 ∈ V ↦ (𝑥 +s 1s )), 0s ) “ ω))
3 0sno 27758 . . . 4 0s No
43a1i 11 . . 3 (⊤ → 0s No )
52, 4noseq0 28207 . 2 (⊤ → 0s ∈ ℕ0s)
65mptru 1547 1 0s ∈ ℕ0s
Colors of variables: wff setvar class
Syntax hints:   = wceq 1540  wtru 1541  wcel 2109  Vcvv 3438  cmpt 5176  cima 5626  (class class class)co 7353  ωcom 7806  reccrdg 8338   No csur 27567   0s c0s 27754   1s c1s 27755   +s cadds 27889  0scnn0s 28229
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1795  ax-4 1809  ax-5 1910  ax-6 1967  ax-7 2008  ax-8 2111  ax-9 2119  ax-10 2142  ax-11 2158  ax-12 2178  ax-ext 2701  ax-rep 5221  ax-sep 5238  ax-nul 5248  ax-pow 5307  ax-pr 5374  ax-un 7675
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3or 1087  df-3an 1088  df-tru 1543  df-fal 1553  df-ex 1780  df-nf 1784  df-sb 2066  df-mo 2533  df-eu 2562  df-clab 2708  df-cleq 2721  df-clel 2803  df-nfc 2878  df-ne 2926  df-ral 3045  df-rex 3054  df-rmo 3345  df-reu 3346  df-rab 3397  df-v 3440  df-sbc 3745  df-csb 3854  df-dif 3908  df-un 3910  df-in 3912  df-ss 3922  df-pss 3925  df-nul 4287  df-if 4479  df-pw 4555  df-sn 4580  df-pr 4582  df-tp 4584  df-op 4586  df-uni 4862  df-int 4900  df-iun 4946  df-br 5096  df-opab 5158  df-mpt 5177  df-tr 5203  df-id 5518  df-eprel 5523  df-po 5531  df-so 5532  df-fr 5576  df-we 5578  df-xp 5629  df-rel 5630  df-cnv 5631  df-co 5632  df-dm 5633  df-rn 5634  df-res 5635  df-ima 5636  df-pred 6253  df-ord 6314  df-on 6315  df-lim 6316  df-suc 6317  df-iota 6442  df-fun 6488  df-fn 6489  df-f 6490  df-f1 6491  df-fo 6492  df-f1o 6493  df-fv 6494  df-riota 7310  df-ov 7356  df-oprab 7357  df-mpo 7358  df-om 7807  df-2nd 7932  df-frecs 8221  df-wrecs 8252  df-recs 8301  df-rdg 8339  df-1o 8395  df-2o 8396  df-no 27570  df-slt 27571  df-bday 27572  df-sslt 27710  df-scut 27712  df-0s 27756  df-n0s 28231
This theorem is referenced by:  dfn0s2  28247  n0mulscl  28260  1n0s  28263  n0sfincut  28269  eln0s  28274  n0subs  28276  bdayn0sf1o  28282  eucliddivs  28288  n0seo  28331  zzs12  28370
  Copyright terms: Public domain W3C validator