Nuprl Lemma : ctt-context-term-mng_wf

[X:?CubicalContext]. ∀[t:CttTerm].  (ctt-context-term-mng{i:l}(X;t) ∈ [[X;t]])


Proof




Definitions occuring in Statement :  ctt-context-term-mng: ctt-context-term-mng{i:l}(X;t) ctt_meaning: [[ctxt;t]] ctt-term: CttTerm cubical-context: ?CubicalContext uall: [x:A]. B[x] member: t ∈ T
Definitions unfolded in proof :  uall: [x:A]. B[x] member: t ∈ T ctt-context-term-mng: ctt-context-term-mng{i:l}(X;t) so_lambda: so_lambda4 all: x:A. B[x] and: P ∧ Q so_lambda: λ2y.t[x; y] pi2: snd(t) so_apply: x[s1;s2] ctt-meaning-triple: CttMeaningTriple prop: pi1: fst(t) ctt-term: CttTerm wfterm: wfterm(opr;sort;arity) subtype_rel: A ⊆B so_lambda: λ2x.t[x] so_apply: x[s] so_apply: x[s1;s2;s3;s4] so_lambda: so_lambda3 varterm: varterm(v) ctt_meaning: [[ctxt;t]] ctt-meaning-type: ctt-meaning-type{i:l}(X;t) isvarterm: isvarterm(t) isl: isl(x) ifthenelse: if then else fi  btrue: tt so_apply: x[s1;s2;s3]
Lemmas referenced :  wfterm-accum_wf_ctt1 vdf-eq_wf cubical-context_wf list_wf varname_wf ctt-term_wf ctt_meaning_wf ctt-binder-context_wf assert_wf wf-term_wf ctt-op_wf ctt-kind_wf term_wf ctt-arity_wf mkterm_wf map_wf ctt-meaning-triple_wf ctt-op-meaning_wf pi2_wf istype-assert cubical-context-lookup_wf not_wf equal-wf-T-base
Rules used in proof :  sqequalSubstitution sqequalTransitivity computationStep sqequalReflexivity isect_memberFormation_alt cut introduction extract_by_obid sqequalHypSubstitution isectElimination thin sqequalRule lambdaEquality_alt lambdaFormation_alt productEquality instantiate hypothesis closedConclusion cumulativity hypothesisEquality productElimination productIsType inhabitedIsType dependent_functionElimination applyEquality universeIsType because_Cache independent_pairEquality setElimination rename equalityTransitivity equalitySymmetry dependent_set_memberEquality_alt setIsType functionExtensionality setEquality baseClosed

Latex:
\mforall{}[X:?CubicalContext].  \mforall{}[t:CttTerm].    (ctt-context-term-mng\{i:l\}(X;t)  \mmember{}  [[X;t]])



Date html generated: 2020_05_21-AM-10_47_10
Last ObjectModification: 2020_05_18-AM-11_42_57

Theory : cubical!type!theory


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