Nuprl Lemma : generated-s-subgroup_wf

∀[sg:s-Group]. ∀[P:Point ⟶ ℙ].  generated-s-subgroup(sg;f.P[f]) ∈ s-Group supposing ∀f:Point. (P[f] ⇒ P[f^-1])


Proof




Definitions occuring in Statement :  generated-s-subgroup: generated-s-subgroup(sg;f.P[f]),  s-group: s-Group,  sg-inv: x^-1,  ss-point: Point,  uimplies: b supposing a,  uall: ∀[x:A]. B[x],  prop: ℙ,  so_apply: x[s],  all: ∀x:A. B[x],  implies: P ⇒ Q,  member: t ∈ T,  function: x:A ⟶ B[x]
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  uimplies: b supposing a,  generated-s-subgroup: generated-s-subgroup(sg;f.P[f]),  so_lambda: λ2x.t[x],  prop: ℙ,  and: P ∧ Q,  all: ∀x:A. B[x],  subtype_rel: A ⊆r B,  so_apply: x[s],  s-group: s-Group,  sg-subgroup: sg-subgroup(sg;x.P[x]),  cand: A c∧ B,  implies: P ⇒ Q,  exists: ∃x:A. B[x],  guard: {T},  top: Top,  iff: P ⇐⇒ Q,  rev_implies: P ⇐ Q,  rev_uimplies: rev_uimplies(P;Q),  uiff: uiff(P;Q)
Lemmas referenced :  mk-s-subgroup_wf,  exists_wf,  list_wf,  l_all_wf2,  l_member_wf,  ss-point_wf,  ss-eq_wf,  reduce_wf,  sg-op_wf,  sg-id_wf,  all_wf,  s-group-structure_subtype1,  s-group_subtype1,  subtype_rel_transitivity,  s-group_wf,  s-group-structure_wf,  separation-space_wf,  sg-inv_wf,  ss-eq_weakening,  l_all_nil,  reduce_nil_lemma,  nil_wf,  reverse_wf,  map_wf,  l_all_reverse,  l_all_iff,  iff_weakening_equal,  member-map,  reverse-cons,  map_cons_lemma,  reduce_cons_lemma,  reverse_nil_lemma,  map_nil_lemma,  list_induction,  sg-inv-op,  sg-op-id,  sg-op_functionality,  ss-eq_functionality,  uiff_transitivity,  sg-inv-unique,  ss-eq_inversion,  equal_wf,  reduce-append,  sg-inv-inv,  sg-inv-of-op,  ss-eq_transitivity,  sg-assoc,  sg-id-op,  sg-inv-id,  sg-inv_functionality,  l_all_append,  append_wf
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation,  introduction,  cut,  sqequalRule,  extract_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  hypothesisEquality,  lambdaEquality,  because_Cache,  hypothesis,  productEquality,  lambdaFormation,  applyEquality,  setElimination,  rename,  functionExtensionality,  setEquality,  independent_isectElimination,  independent_pairFormation,  productElimination,  axiomEquality,  equalityTransitivity,  equalitySymmetry,  instantiate,  functionEquality,  universeEquality,  isect_memberEquality,  cumulativity,  independent_functionElimination,  voidEquality,  voidElimination,  dependent_functionElimination,  dependent_pairFormation,  impliesFunctionality,  addLevel

Latex:
\mforall{}[sg:s-Group].  \mforall{}[P:Point  {}\mrightarrow{}  \mBbbP{}].
    generated-s-subgroup(sg;f.P[f])  \mmember{}  s-Group  supposing  \mforall{}f:Point.  (P[f]  {}\mRightarrow{}  P[f\^{}-1])



Date html generated: 2017_10_02-PM-03_25_27
Last ObjectModification: 2017_07_28-AM-06_57_14

Theory : constructive!algebra


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