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Theorem onnoxp 43783
Description: Every ordinal maps to a surreal number. (Contributed by RP, 21-Sep-2023.)
Assertion
Ref Expression
onnoxp (𝐴 ∈ On → (𝐴 × {2o}) ∈ No )

Proof of Theorem onnoxp
StepHypRef Expression
1 2oex 8418 . . 3 2o ∈ V
21prid2 4722 . 2 2o ∈ {1o, 2o}
3 onnoxpg 43779 . 2 ((𝐴 ∈ On ∧ 2o ∈ {1o, 2o}) → (𝐴 × {2o}) ∈ No )
42, 3mpan2 692 1 (𝐴 ∈ On → (𝐴 × {2o}) ∈ No )
Colors of variables: wff setvar class
Syntax hints:  wi 4  wcel 2114  {csn 4582  {cpr 4584   × cxp 5630  Oncon0 6325  1oc1o 8400  2oc2o 8401   No csur 27619
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1912  ax-6 1969  ax-7 2010  ax-8 2116  ax-9 2124  ax-10 2147  ax-11 2163  ax-12 2185  ax-ext 2709  ax-sep 5243  ax-pow 5312  ax-pr 5379  ax-un 7690
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-3an 1089  df-tru 1545  df-fal 1555  df-ex 1782  df-nf 1786  df-sb 2069  df-mo 2540  df-eu 2570  df-clab 2716  df-cleq 2729  df-clel 2812  df-nfc 2886  df-ne 2934  df-ral 3053  df-rex 3063  df-rab 3402  df-v 3444  df-dif 3906  df-un 3908  df-in 3910  df-ss 3920  df-nul 4288  df-if 4482  df-pw 4558  df-sn 4583  df-pr 4585  df-op 4589  df-uni 4866  df-br 5101  df-opab 5163  df-mpt 5182  df-id 5527  df-xp 5638  df-rel 5639  df-cnv 5640  df-co 5641  df-dm 5642  df-rn 5643  df-suc 6331  df-fun 6502  df-fn 6503  df-f 6504  df-1o 8407  df-2o 8408  df-no 27622
This theorem is referenced by:  onnoxpi  43784
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