Nuprl Lemma : dlo-eq_wf

dlo-eq() ∈ dl-Obj() ⟶ dl-Obj() ⟶ 𝔹


Proof




Definitions occuring in Statement :  dlo-eq: dlo-eq() dl-Obj: dl-Obj() bool: 𝔹 member: t ∈ T function: x:A ⟶ B[x]
Definitions unfolded in proof :  dlo-eq: dlo-eq() member: t ∈ T subtype_rel: A ⊆B uall: [x:A]. B[x] all: x:A. B[x] or: P ∨ Q uimplies: supposing a sq_type: SQType(T) implies:  Q guard: {T} uiff: uiff(P;Q) and: P ∧ Q nat: bfalse: ff band: p ∧b q ifthenelse: if then else fi  so_lambda: λ2x.t[x] so_apply: x[s] so_lambda: so_lambda(x,y,z,w.t[x; y; z; w]) so_apply: x[s1;s2;s3;s4] so_lambda: λ2y.t[x; y] so_apply: x[s1;s2]
Lemmas referenced :  dl-Obj_wf bool_wf subtype-TYPE eq_atom_wf dl-kind_wf bool_cases subtype_base_sq bool_subtype_base eqtt_to_assert band_wf btrue_wf assert_of_eq_atom dl-aprog?_wf dl-obj-prog_wf eq_int_wf dl-aprog-1_wf bfalse_wf istype-nat dl-comp?_wf dl-prog-obj_wf dl-comp-1_wf dl-comp-2_wf dl-prog_wf dl-choose?_wf dl-choose-1_wf dl-choose-2_wf dl-iterate?_wf dl-iterate-1_wf dl-test?_wf dl-prop-obj_wf dl-test-1_wf dl-prop_wf dl-aprop?_wf dl-obj-prop_wf dl-aprop-1_wf dl-false?_wf dl-implies?_wf dl-implies-1_wf dl-implies-2_wf dl-and?_wf dl-and-1_wf dl-and-2_wf dl-or?_wf dl-or-1_wf dl-or-2_wf dl-box?_wf dl-box-1_wf dl-box-2_wf dl-diamond?_wf dl-diamond-1_wf dl-diamond-2_wf dl-ind_wf
Rules used in proof :  sqequalSubstitution sqequalTransitivity computationStep sqequalReflexivity lambdaEquality_alt cut functionEquality introduction extract_by_obid hypothesis applyEquality thin sqequalHypSubstitution sqequalRule universeIsType isectElimination hypothesisEquality because_Cache tokenEquality dependent_functionElimination unionElimination instantiate cumulativity independent_isectElimination equalityTransitivity equalitySymmetry independent_functionElimination productElimination setElimination rename inhabitedIsType functionIsType

Latex:
dlo-eq()  \mmember{}  dl-Obj()  {}\mrightarrow{}  dl-Obj()  {}\mrightarrow{}  \mBbbB{}



Date html generated: 2019_10_15-AM-11_42_43
Last ObjectModification: 2019_04_04-PM-06_34_58

Theory : dynamic!logic


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