Nuprl Lemma : decidable__prime

∀n:ℕ. Dec(prime(n))


Proof




Definitions occuring in Statement :  prime: prime(a),  nat: ℕ,  decidable: Dec(P),  all: ∀x:A. B[x]
Definitions unfolded in proof :  all: ∀x:A. B[x],  member: t ∈ T,  iff: P ⇐⇒ Q,  and: P ∧ Q,  implies: P ⇒ Q,  uall: ∀[x:A]. B[x],  nat: ℕ,  uimplies: b supposing a,  prop: ℙ,  rev_implies: P ⇐ Q,  atomic: atomic(a),  cand: A c∧ B
Lemmas referenced :  nat_wf,  prime_imp_atomic,  prime_wf,  atomic_imp_prime,  atomic_wf,  decidable_functionality,  not_wf,  equal_wf,  assoced_wf,  decidable__and2,  and_wf,  reducible_wf,  decidable__not,  decidable__equal_int,  decidable__assoced,  decidable__reducible
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  lambdaFormation,  cut,  lemma_by_obid,  hypothesis,  independent_pairFormation,  sqequalHypSubstitution,  isectElimination,  thin,  setElimination,  rename,  hypothesisEquality,  independent_isectElimination,  dependent_functionElimination,  independent_functionElimination,  productElimination,  intEquality,  natural_numberEquality,  because_Cache,  isect_memberEquality

Latex:
\mforall{}n:\mBbbN{}.  Dec(prime(n))



Date html generated: 2016_05_14-PM-04_21_23
Last ObjectModification: 2015_12_26-PM-08_17_30

Theory : num_thy_1


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