Nuprl Lemma : perm_wf

∀T:Type. (Perm(T) ∈ Type)


Proof




Definitions occuring in Statement :  perm: Perm(T),  all: ∀x:A. B[x],  member: t ∈ T,  universe: Type
Definitions unfolded in proof :  all: ∀x:A. B[x],  member: t ∈ T,  perm: Perm(T),  uall: ∀[x:A]. B[x],  prop: ℙ
Lemmas referenced :  perm_sig_wf,  inv_funs_wf,  perm_f_wf,  perm_b_wf
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  lambdaFormation_alt,  cut,  sqequalRule,  setEquality,  introduction,  extract_by_obid,  sqequalHypSubstitution,  dependent_functionElimination,  thin,  hypothesisEquality,  hypothesis,  isectElimination,  universeIsType,  universeEquality

Latex:
\mforall{}T:Type.  (Perm(T)  \mmember{}  Type)



Date html generated: 2019_10_16-PM-00_58_36
Last ObjectModification: 2018_10_08-AM-09_49_02

Theory : perms_1


Home Index