Nuprl Lemma : inhabited-rat-interval_wf
∀[I:ℚInterval]. (Inhabited(I) ∈ 𝔹)
Proof
Definitions occuring in Statement : 
inhabited-rat-interval: Inhabited(I)
, 
rational-interval: ℚInterval
, 
bool: 𝔹
, 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
Definitions unfolded in proof : 
rational-interval: ℚInterval
, 
inhabited-rat-interval: Inhabited(I)
, 
member: t ∈ T
, 
uall: ∀[x:A]. B[x]
Lemmas referenced : 
rational-interval_wf, 
q_le_wf
Rules used in proof : 
universeIsType, 
equalitySymmetry, 
equalityTransitivity, 
axiomEquality, 
hypothesis, 
isectElimination, 
extract_by_obid, 
hypothesisEquality, 
independent_pairEquality, 
thin, 
productElimination, 
sqequalHypSubstitution, 
spreadEquality, 
sqequalRule, 
cut, 
introduction, 
isect_memberFormation_alt, 
sqequalReflexivity, 
computationStep, 
sqequalTransitivity, 
sqequalSubstitution
Latex:
\mforall{}[I:\mBbbQ{}Interval].  (Inhabited(I)  \mmember{}  \mBbbB{})
Date html generated:
2019_10_29-AM-07_47_32
Last ObjectModification:
2019_10_17-PM-04_32_13
Theory : rationals
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