Nuprl Lemma : mon_nat_op_one

∀[g:IMonoid]. ∀[e:|g|].  ((1 ⋅ e) = e ∈ |g|)


Proof




Definitions occuring in Statement :  mon_nat_op: n ⋅ e,  imon: IMonoid,  grp_car: |g|,  uall: ∀[x:A]. B[x],  natural_number: $n,  equal: s = t ∈ T
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  imon: IMonoid,  squash: ↓T,  prop: ℙ,  nat_plus: ℕ+,  less_than: a < b,  less_than': less_than'(a;b),  true: True,  and: P ∧ Q,  subtype_rel: A ⊆r B,  uimplies: b supposing a,  guard: {T},  iff: P ⇐⇒ Q,  rev_implies: P ⇐ Q,  implies: P ⇒ Q,  subtract: n - m,  top: Top,  infix_ap: x f y
Lemmas referenced :  grp_car_wf,  imon_wf,  equal_wf,  squash_wf,  true_wf,  mon_nat_op_unroll,  less_than_wf,  iff_weakening_equal,  add-commutes,  grp_op_wf,  mon_nat_op_zero,  mon_ident
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation,  introduction,  cut,  hypothesis,  extract_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  setElimination,  rename,  hypothesisEquality,  sqequalRule,  isect_memberEquality,  axiomEquality,  because_Cache,  applyEquality,  lambdaEquality,  imageElimination,  equalityTransitivity,  equalitySymmetry,  universeEquality,  dependent_set_memberEquality,  natural_numberEquality,  independent_pairFormation,  imageMemberEquality,  baseClosed,  independent_isectElimination,  productElimination,  independent_functionElimination,  voidElimination,  voidEquality

Latex:
\mforall{}[g:IMonoid].  \mforall{}[e:|g|].    ((1  \mcdot{}  e)  =  e)



Date html generated: 2017_10_01-AM-08_16_27
Last ObjectModification: 2017_02_28-PM-02_01_00

Theory : groups_1


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