Nuprl Lemma : eq_atom_wf1

∀[x,y:Atom1].  (x =a1 y ∈ 𝔹)


Proof




Definitions occuring in Statement :  eq_atom: eq_atom$n(x;y),  atom: Atom$n,  bool: 𝔹,  uall: ∀[x:A]. B[x],  member: t ∈ T
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  eq_atom: eq_atom$n(x;y)
Lemmas referenced :  btrue_wf,  bfalse_wf
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation,  introduction,  cut,  atomn_eqEquality,  hypothesisEquality,  extract_by_obid,  hypothesis,  sqequalHypSubstitution,  sqequalRule,  axiomEquality,  equalityTransitivity,  equalitySymmetry,  atomnEquality,  isect_memberEquality,  isectElimination,  thin,  because_Cache

Latex:
\mforall{}[x,y:Atom1].    (x  =a1  y  \mmember{}  \mBbbB{})



Date html generated: 2019_06_20-AM-11_20_14
Last ObjectModification: 2018_08_08-AM-10_56_01

Theory : atom_1


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