Nuprl Lemma : dl-prog-sem_wf
∀[K:Type]. ∀[R:ℕ ⟶ K ⟶ K ⟶ ℙ]. ∀[P:ℕ ⟶ K ⟶ ℙ]. ∀[alpha:Prog].  ([|alpha|] ∈ K ⟶ K ⟶ ℙ)
Proof
Definitions occuring in Statement : 
dl-prog-sem: [|alpha|], 
dl-prog: Prog, 
nat: ℕ, 
uall: ∀[x:A]. B[x], 
prop: ℙ, 
so_apply: x[s], 
member: t ∈ T, 
function: x:A ⟶ B[x], 
universe: Type
Definitions unfolded in proof : 
uall: ∀[x:A]. B[x], 
member: t ∈ T, 
dl-prog-sem: [|alpha|], 
ifthenelse: if b then t else f fi , 
eq_atom: x =a y, 
dl-kind: dl-kind(d), 
mobj-kind: mobj-kind(x), 
pi1: fst(t), 
dl-prog-obj: prog(x), 
btrue: tt, 
so_lambda: λ2x.t[x], 
so_apply: x[s], 
all: ∀x:A. B[x], 
prop: ℙ
Lemmas referenced : 
dl-sem_wf, 
istype-nat, 
dl-prog-obj_wf, 
dl-prog_wf, 
istype-universe
Rules used in proof : 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
isect_memberFormation_alt, 
introduction, 
cut, 
sqequalRule, 
applyEquality, 
extract_by_obid, 
sqequalHypSubstitution, 
isectElimination, 
thin, 
hypothesisEquality, 
lambdaEquality_alt, 
hypothesis, 
dependent_functionElimination, 
axiomEquality, 
equalityTransitivity, 
equalitySymmetry, 
universeIsType, 
isect_memberEquality_alt, 
isectIsTypeImplies, 
inhabitedIsType, 
functionIsType, 
universeEquality, 
because_Cache, 
instantiate
Latex:
\mforall{}[K:Type].  \mforall{}[R:\mBbbN{}  {}\mrightarrow{}  K  {}\mrightarrow{}  K  {}\mrightarrow{}  \mBbbP{}].  \mforall{}[P:\mBbbN{}  {}\mrightarrow{}  K  {}\mrightarrow{}  \mBbbP{}].  \mforall{}[alpha:Prog].    ([|alpha|]  \mmember{}  K  {}\mrightarrow{}  K  {}\mrightarrow{}  \mBbbP{})
 Date html generated: 
2019_10_15-AM-11_43_48
 Last ObjectModification: 
2019_03_26-AM-11_45_00
Theory : dynamic!logic
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