Nuprl Lemma : mFOL-sequent-abstract_wf

[s:mFOL-sequent()]. (mFOL-sequent-abstract(s) ∈ AbstractFOFormula(mFOL-sequent-freevars(s)))


Proof




Definitions occuring in Statement :  mFOL-sequent-abstract: mFOL-sequent-abstract(s) mFOL-sequent-freevars: mFOL-sequent-freevars(s) mFOL-sequent: mFOL-sequent() AbstractFOFormula: AbstractFOFormula(vs) uall: [x:A]. B[x] member: t ∈ T
Definitions unfolded in proof :  uall: [x:A]. B[x] member: t ∈ T mFOL-sequent: mFOL-sequent() mFOL-sequent-abstract: mFOL-sequent-abstract(s) AbstractFOFormula: AbstractFOFormula(vs) prop: subtype_rel: A ⊆B uimplies: supposing a all: x:A. B[x]
Lemmas referenced :  tuple-type_wf mFOL-hyps-meaning_wf FOSatWith_wf mFOL-freevars_wf subtype_rel_FOAssignment mFOL-sequent-freevars_wf list_wf mFOL_wf mFOL-sequent-freevars-subset-1 mFOL-abstract_wf FOAssignment_wf FOStruct_wf mFOL-sequent_wf
Rules used in proof :  sqequalSubstitution sqequalTransitivity computationStep sqequalReflexivity isect_memberFormation cut sqequalHypSubstitution productElimination thin sqequalRule lambdaEquality functionEquality lemma_by_obid isectElimination hypothesisEquality hypothesis applyEquality independent_pairEquality productEquality independent_isectElimination dependent_functionElimination because_Cache universeEquality

Latex:
\mforall{}[s:mFOL-sequent()].  (mFOL-sequent-abstract(s)  \mmember{}  AbstractFOFormula(mFOL-sequent-freevars(s)))



Date html generated: 2016_05_15-PM-10_26_58
Last ObjectModification: 2015_12_27-PM-06_26_19

Theory : minimal-first-order-logic


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