Nuprl Lemma : evalall-atom1

∀[x:Atom1]. (evalall(x) ~ x)


Proof




Definitions occuring in Statement :  evalall: evalall(t),  atom: Atom$n,  uall: ∀[x:A]. B[x],  sqequal: s ~ t
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  uimplies: b supposing a,  evalall: evalall(t),  has-value: (a)↓,  sq_type: SQType(T),  all: ∀x:A. B[x],  implies: P ⇒ Q,  guard: {T},  subtype_rel: A ⊆r B,  or: P ∨ Q,  not: ¬A,  false: False,  outl: outl(x),  outr: outr(x)
Lemmas referenced :  subtype_base_sq,  atom1_subtype_base,  has-value-implies-dec-ispair,  not-btrue-sqeq-bfalse,  has-value-implies-dec-isinl,  has-value-implies-dec-isinr
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  Error :isect_memberFormation_alt,  introduction,  cut,  thin,  instantiate,  extract_by_obid,  sqequalHypSubstitution,  isectElimination,  cumulativity,  atomnEquality,  independent_isectElimination,  hypothesis,  sqequalRule,  callbyvalueReduce,  callbyvalueAtom1,  hypothesisEquality,  dependent_functionElimination,  equalityTransitivity,  equalitySymmetry,  independent_functionElimination,  axiomSqEquality,  Error :universeIsType,  baseApply,  closedConclusion,  baseClosed,  applyEquality,  unionElimination,  isAtom1ReduceTrue,  because_Cache,  voidElimination

Latex:
\mforall{}[x:Atom1].  (evalall(x)  \msim{}  x)



Date html generated: 2019_06_20-AM-11_21_03
Last ObjectModification: 2018_10_15-AM-08_52_16

Theory : call!by!value_1


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