Nuprl Lemma : mprime_imp_matomic
∀g:IAbMonoid. (Cancel(|g|;|g|;*) ⇒ (∀a:|g|. (IsPrime(a) ⇒ Atomic(a))))
Proof
Definitions occuring in Statement : 
matomic: Atomic(a), 
mprime: IsPrime(a), 
all: ∀x:A. B[x], 
implies: P ⇒ Q, 
iabmonoid: IAbMonoid, 
grp_op: *, 
grp_car: |g|, 
cancel: Cancel(T;S;op)
Definitions unfolded in proof : 
all: ∀x:A. B[x], 
implies: P ⇒ Q, 
member: t ∈ T, 
prop: ℙ, 
iabmonoid: IAbMonoid, 
imon: IMonoid, 
uall: ∀[x:A]. B[x], 
matomic: Atomic(a), 
and: P ∧ Q, 
mprime: IsPrime(a), 
not: ¬A, 
mreducible: Reducible(a), 
exists: ∃x:A. B[x], 
squash: ↓T, 
true: True, 
subtype_rel: A ⊆r B, 
uimplies: b supposing a, 
guard: {T}, 
iff: P ⇐⇒ Q, 
rev_implies: P ⇐ Q, 
or: P ∨ Q, 
false: False
Lemmas referenced : 
mprime_wf, 
grp_car_wf, 
cancel_wf, 
grp_op_wf, 
iabmonoid_wf, 
mreducible_wf, 
mdivides_wf, 
squash_wf, 
true_wf, 
grp_sig_wf, 
iff_weakening_equal, 
mdivides_refl, 
mproper_div_cond, 
equal_wf, 
abmonoid_comm
Rules used in proof : 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
lambdaFormation, 
cut, 
introduction, 
extract_by_obid, 
sqequalHypSubstitution, 
dependent_functionElimination, 
thin, 
setElimination, 
rename, 
hypothesisEquality, 
hypothesis, 
isectElimination, 
because_Cache, 
independent_pairFormation, 
productElimination, 
independent_functionElimination, 
applyEquality, 
lambdaEquality, 
imageElimination, 
equalityTransitivity, 
equalitySymmetry, 
natural_numberEquality, 
sqequalRule, 
imageMemberEquality, 
baseClosed, 
universeEquality, 
independent_isectElimination, 
unionElimination, 
hyp_replacement, 
applyLambdaEquality, 
voidElimination, 
equalityUniverse, 
levelHypothesis
Latex:
\mforall{}g:IAbMonoid.  (Cancel(|g|;|g|;*)  {}\mRightarrow{}  (\mforall{}a:|g|.  (IsPrime(a)  {}\mRightarrow{}  Atomic(a))))
Date html generated:
2017_10_01-AM-09_58_24
Last ObjectModification:
2017_03_03-PM-00_59_36
Theory : factor_1
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