Nuprl Lemma : drng_wf
DRng ∈ 𝕌'
Proof
Definitions occuring in Statement :
drng: DRng,
member: t ∈ T,
universe: Type
Definitions unfolded in proof :
drng: DRng,
member: t ∈ T,
uall: ∀[x:A]. B[x],
and: P ∧ Q,
prop: ℙ
Lemmas referenced :
rng_sig_wf,
and_wf,
ring_p_wf,
rng_car_wf,
rng_plus_wf,
rng_zero_wf,
rng_minus_wf,
rng_times_wf,
rng_one_wf,
eqfun_p_wf,
rng_eq_wf
Rules used in proof :
sqequalSubstitution,
sqequalTransitivity,
computationStep,
sqequalReflexivity,
setEquality,
cut,
lemma_by_obid,
hypothesis,
cumulativity,
sqequalHypSubstitution,
isectElimination,
thin,
hypothesisEquality
Latex:
DRng \mmember{} \mBbbU{}'
Date html generated:
2016_05_15-PM-00_20_28
Last ObjectModification:
2015_12_27-AM-00_02_52
Theory : rings_1
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