Nuprl Lemma : Formco_size_wf

[C:Type]. ∀[p:Formco(C)].  (Formco_size(p) ∈ partial(ℕ))


Proof




Definitions occuring in Statement :  Formco_size: Formco_size(p) Formco: Formco(C) partial: partial(T) nat: uall: [x:A]. B[x] member: t ∈ T universe: Type
Definitions unfolded in proof :  uall: [x:A]. B[x] member: t ∈ T uimplies: supposing a nat: so_lambda: λ2x.t[x] so_apply: x[s] all: x:A. B[x] implies:  Q bool: 𝔹 unit: Unit it: btrue: tt ifthenelse: if then else fi  uiff: uiff(P;Q) and: P ∧ Q bfalse: ff exists: x:A. B[x] prop: or: P ∨ Q sq_type: SQType(T) guard: {T} bnot: ¬bb assert: b false: False continuous-monotone: ContinuousMonotone(T.F[T]) type-monotone: Monotone(T.F[T]) subtype_rel: A ⊆B so_lambda: λ2y.t[x; y] so_apply: x[s1;s2] strong-type-continuous: Continuous+(T.F[T]) type-continuous: Continuous(T.F[T]) Formco: Formco(C) eq_atom: =a y le: A ≤ B less_than': less_than'(a;b) not: ¬A pi2: snd(t) pi1: fst(t) Formco_size: Formco_size(p)
Lemmas referenced :  fix_wf_corec-partial1 nat_wf set-value-type le_wf int-value-type nat-mono eq_atom_wf bool_wf eqtt_to_assert assert_of_eq_atom eqff_to_assert equal_wf bool_cases_sqequal subtype_base_sq bool_subtype_base assert-bnot neg_assert_of_eq_atom subtype_rel_product subtype_rel_ifthenelse ifthenelse_wf subtype_rel_wf strong-continuous-depproduct continuous-constant strong-continuous-product continuous-id subtype_rel_weakening atom_subtype_base false_wf inclusion-partial add-wf-partial-nat partial_wf Formco_wf
Rules used in proof :  sqequalSubstitution sqequalTransitivity computationStep sqequalReflexivity isect_memberFormation cut introduction extract_by_obid sqequalHypSubstitution isectElimination thin hypothesis independent_isectElimination sqequalRule intEquality lambdaEquality natural_numberEquality hypothesisEquality productEquality atomEquality tokenEquality lambdaFormation unionElimination equalityElimination productElimination because_Cache equalityTransitivity equalitySymmetry dependent_pairFormation promote_hyp dependent_functionElimination instantiate cumulativity independent_functionElimination voidElimination voidEquality universeEquality independent_pairFormation axiomEquality isect_memberEquality isectEquality applyEquality functionExtensionality functionEquality dependent_set_memberEquality

Latex:
\mforall{}[C:Type].  \mforall{}[p:Formco(C)].    (Formco\_size(p)  \mmember{}  partial(\mBbbN{}))



Date html generated: 2018_05_21-PM-10_42_05
Last ObjectModification: 2017_10_13-PM-06_56_36

Theory : PZF


Home Index