[Imprint]
[Data Privacy Statement]
[E-Mail]
View
long theorem info
. View
the proof
. Back to
main index
. View
the specification
. View
theorem base summary
, View
theorem base listing
, the
used properties by spec
, the
dependency list
, the
symbol table
,
Theorem even-mult
⊦ even(m * n) ↔ even(m) ∨ even(n)
Type: A user defined theorem
Validity: The proof is valid.
Features:
Comment:
Used by:
Used by units in proved state:
Proof exists?: Yes
View
the proof
Infos about the proof
Proved?: Yes
Interactions: 7
Proof steps: 19
Used lemmas:
oex
,
eo-01
,
Even
,
Used spec theorems:
nat-mult
/
dist
Used simplifier rules:
nat-mult
/
two-succ-05
nat-mult
/
rsucc-02
nat-mult
/
two-02
nat
/
lels-01
nat-mult
/
two-succ-06
nat
/
elim-sub
nat
/
lep
nat-basic2
/
eq-01
nat-basic2
/
a
nat-basic2
/
c
nat-mult
/
mult-a
nat-mult
/
mult-c