MPE Home Metamath Proof Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >  sltsex2 Structured version   Visualization version   GIF version

Theorem sltsex2 27957
Description: The second argument of surreal set less-than exists. (Contributed by Scott Fenton, 8-Dec-2021.)
Assertion
Ref Expression
sltsex2 (𝐴 <<s 𝐵𝐵 ∈ V)

Proof of Theorem sltsex2
Dummy variables 𝑥 𝑦 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 brslts 27955 . 2 (𝐴 <<s 𝐵 ↔ ((𝐴 ∈ V ∧ 𝐵 ∈ V) ∧ (𝐴 No 𝐵 No ∧ ∀𝑥𝐴𝑦𝐵 𝑥 <s 𝑦)))
2 simplr 780 . 2 (((𝐴 ∈ V ∧ 𝐵 ∈ V) ∧ (𝐴 No 𝐵 No ∧ ∀𝑥𝐴𝑦𝐵 𝑥 <s 𝑦)) → 𝐵 ∈ V)
31, 2sylbi 220 1 (𝐴 <<s 𝐵𝐵 ∈ V)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 400  w3a 1103  wcel 2143  wral 3079  Vcvv 3455  wss 3905   class class class wbr 5109   No csur 27804   <s clts 27805   <<s cslts 27950
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1825  ax-4 1839  ax-5 1940  ax-6 1997  ax-7 2038  ax-8 2145  ax-9 2153  ax-ext 2735  ax-sep 5257  ax-pr 5404
This theorem depends on definitions:  df-bi 210  df-an 401  df-or 861  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1810  df-sb 2097  df-clab 2742  df-cleq 2755  df-clel 2838  df-ral 3080  df-rex 3090  df-rab 3417  df-v 3457  df-dif 3908  df-un 3910  df-in 3912  df-ss 3922  df-nul 4287  df-if 4488  df-sn 4590  df-pr 4592  df-op 4596  df-br 5110  df-opab 5174  df-xp 5667  df-slts 27951
This theorem is referenced by:  ssslts1  27966  ssslts2  27967  conway  27972  cutsval  27973  sltstr  27980  sltsun1  27981  sltsun2  27982  etaslts  27986  etaslts2  27987  cutbdaybnd2lim  27990  lesrec  27992  eqcuts3  27997  madecut  28076  cofslts  28111  cofcut1  28113  cofcutr  28117  cutlt  28125  addsuniflem  28194  negsunif  28248  sltmuls1  28340  sltmuls2  28341  precsexlem11  28410
  Copyright terms: Public domain W3C validator