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Theorem log2ub-lem
⊦ n ≠ 0 → n /↑ 2^ log2↑(n) = 1
Type: A user defined theorem
Validity: The proof is valid.
Features: ls,
Comment:
Used by:
pshearsort-correct
,
Used by units in proved state:
Proof exists?: Yes
View
the proof
Infos about the proof
Proved?: Yes
Interactions: 7
Proof steps: 12
Used lemmas:
divup-def
,
log2up-def
,
Used spec theorems:
nat-pot
/
potex
nat-pot
/
Log2def
Used simplifier rules:
nat-basic
/
c
nat-basic
/
a
nat-mult
/
mult-c
nat-mult
/
mult-a
nat-pot
/
lsucc-01
nat-pot
/
zero
nat-pot
/
lpot
nat-mult
/
zero-03
nat-div
/
one
nat-pot
/
lemma-ax2
nat-basic
/
succ
nat-mult
/
two-zero-01
nat
/
fle-01
nat-basic
/
f
nat-div
/
zero-01
nat-basic
/
lf-02
nat-mult
/
zero-01
nat-mult
/
two-ls-01
nat-mult
/
ls-01