Nuprl Lemma : m-corec_wf
∀[k:ℕ]. ∀[F:(ℕk ⟶ Type) ⟶ ℕk ⟶ Type]. ∀[i:ℕk].  (m-corec(T.F[T];i) ∈ Type)
Proof
Definitions occuring in Statement : 
m-corec: m-corec(T.F[T];i)
, 
int_seg: {i..j-}
, 
nat: ℕ
, 
uall: ∀[x:A]. B[x]
, 
so_apply: x[s]
, 
member: t ∈ T
, 
function: x:A ⟶ B[x]
, 
natural_number: $n
, 
universe: Type
Definitions unfolded in proof : 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
, 
m-corec: m-corec(T.F[T];i)
, 
nat: ℕ
Lemmas referenced : 
mutual-corec_wf, 
int_seg_wf, 
nat_wf
Rules used in proof : 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
isect_memberFormation, 
introduction, 
cut, 
sqequalRule, 
extract_by_obid, 
sqequalHypSubstitution, 
isectElimination, 
thin, 
hypothesisEquality, 
applyEquality, 
hypothesis, 
axiomEquality, 
equalityTransitivity, 
equalitySymmetry, 
natural_numberEquality, 
setElimination, 
rename, 
isect_memberEquality, 
because_Cache, 
functionEquality, 
cumulativity, 
universeEquality
Latex:
\mforall{}[k:\mBbbN{}].  \mforall{}[F:(\mBbbN{}k  {}\mrightarrow{}  Type)  {}\mrightarrow{}  \mBbbN{}k  {}\mrightarrow{}  Type].  \mforall{}[i:\mBbbN{}k].    (m-corec(T.F[T];i)  \mmember{}  Type)
Date html generated:
2018_05_21-PM-00_17_45
Last ObjectModification:
2017_10_18-PM-02_45_50
Theory : co-recursion
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