Nuprl Lemma : poset-cat_wf

[J:Cname List]. (poset-cat(J) ∈ SmallCategory)


Proof




Definitions occuring in Statement :  poset-cat: poset-cat(J) coordinate_name: Cname small-category: SmallCategory list: List uall: [x:A]. B[x] member: t ∈ T
Definitions unfolded in proof :  uall: [x:A]. B[x] member: t ∈ T poset-cat: poset-cat(J) small-category: SmallCategory so_lambda: λ2x.t[x] name-morph: name-morph(I;J) subtype_rel: A ⊆B so_apply: x[s] all: x:A. B[x] prop: implies:  Q uiff: uiff(P;Q) and: P ∧ Q rev_uimplies: rev_uimplies(P;Q) uimplies: supposing a nameset: nameset(L) sq_stable: SqStable(P) squash: T coordinate_name: Cname int_upper: {i...} decidable: Dec(P) or: P ∨ Q satisfiable_int_formula: satisfiable_int_formula(fmla) exists: x:A. B[x] false: False not: ¬A top: Top le: A ≤ B spreadn: spread4 cand: c∧ B assert: b sq_type: SQType(T) guard: {T} ifthenelse: if then else fi  btrue: tt iff: ⇐⇒ Q rev_implies:  Q bfalse: ff true: True
Lemmas referenced :  list_wf coordinate_name_wf name-morph_wf nil_wf all_wf nameset_wf assert_wf le_int_wf extd-nameset_subtype_int assert_witness assert_of_le_int sq_stable__l_member decidable__equal-coordinate_name sq_stable__le decidable__le le_wf l_member_wf satisfiable-full-omega-tt intformnot_wf intformle_wf itermVar_wf int_formula_prop_not_lemma int_formula_prop_le_lemma int_term_value_var_lemma int_formula_prop_wf intformand_wf int_formula_prop_and_lemma equal_wf bnot_wf not_wf bool_cases subtype_base_sq bool_wf bool_subtype_base eqtt_to_assert eqff_to_assert iff_transitivity iff_weakening_uiff assert_of_bnot
Rules used in proof :  sqequalSubstitution sqequalTransitivity computationStep sqequalReflexivity isect_memberFormation introduction cut sqequalRule dependent_set_memberEquality sqequalHypSubstitution hypothesis axiomEquality equalityTransitivity equalitySymmetry extract_by_obid isectElimination thin dependent_pairEquality hypothesisEquality lambdaEquality applyEquality setElimination rename because_Cache independent_pairEquality independent_functionElimination productElimination independent_isectElimination dependent_functionElimination lambdaFormation imageMemberEquality baseClosed imageElimination natural_numberEquality unionElimination dependent_pairFormation int_eqEquality intEquality isect_memberEquality voidElimination voidEquality computeAll independent_pairFormation productEquality functionEquality functionExtensionality cumulativity universeEquality instantiate impliesFunctionality equalityElimination

Latex:
\mforall{}[J:Cname  List].  (poset-cat(J)  \mmember{}  SmallCategory)



Date html generated: 2017_10_05-AM-10_27_42
Last ObjectModification: 2017_07_28-AM-11_23_15

Theory : cubical!sets


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