Nuprl Lemma : ideal_wf
∀[r:CRng]. (Ideal(r){i} ∈ 𝕌')
Proof
Definitions occuring in Statement : 
ideal: Ideal(r){i}
, 
crng: CRng
, 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
, 
universe: Type
Definitions unfolded in proof : 
ideal: Ideal(r){i}
, 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
, 
crng: CRng
, 
rng: Rng
, 
prop: ℙ
Lemmas referenced : 
rng_car_wf, 
ideal_p_wf, 
crng_wf
Rules used in proof : 
sqequalSubstitution, 
sqequalRule, 
sqequalReflexivity, 
sqequalTransitivity, 
computationStep, 
isect_memberFormation, 
introduction, 
cut, 
setEquality, 
functionEquality, 
cumulativity, 
lemma_by_obid, 
sqequalHypSubstitution, 
isectElimination, 
thin, 
setElimination, 
rename, 
hypothesisEquality, 
hypothesis, 
universeEquality, 
axiomEquality, 
equalityTransitivity, 
equalitySymmetry
Latex:
\mforall{}[r:CRng].  (Ideal(r)\{i\}  \mmember{}  \mBbbU{}')
Date html generated:
2016_05_15-PM-00_22_55
Last ObjectModification:
2015_12_27-AM-00_00_58
Theory : rings_1
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