Nuprl Lemma : less-fast-fib-ext
∀n:ℕ. {m:ℕ| m = fib(n) ∈ ℕ} 
Proof
Definitions occuring in Statement : 
fib: fib(n)
, 
nat: ℕ
, 
all: ∀x:A. B[x]
, 
set: {x:A| B[x]} 
, 
equal: s = t ∈ T
Definitions unfolded in proof : 
member: t ∈ T
, 
less-fast-fib
Lemmas referenced : 
less-fast-fib
Rules used in proof : 
introduction, 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
cut, 
instantiate, 
extract_by_obid, 
hypothesis, 
sqequalRule, 
thin, 
sqequalHypSubstitution, 
equalityTransitivity, 
equalitySymmetry
Latex:
\mforall{}n:\mBbbN{}.  \{m:\mBbbN{}|  m  =  fib(n)\} 
Date html generated:
2018_05_21-PM-00_57_32
Last ObjectModification:
2018_05_19-AM-06_34_50
Theory : num_thy_1
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