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Theorem size-uni
⊦ h0 ⊥ h1 → #(h0 ∪ h1) = # h0 + # h1
Type: A user defined theorem
Validity: The proof is valid.
Features: s, ls,
Comment:
Used by:
Used by units in proved state:
Proof exists?: Yes
View
the proof
Infos about the proof
Proved?: Yes
Interactions: 6
Proof steps: 11
Used lemmas:
in-uni
,
disj-write
,
size-put
,
uni-put
,
uni-emp
,
Used spec theorems:
map
/
Extension
map
/
notmemlookup
map
/
exin
Used simplifier rules:
map
/
Size-empty
nat-basic
/
add-base
nat-basic
/
a
nat-basic
/
c
map
/
In-empty
nat-basic
/
eq-01
map
/
Size-insert
nat-basic
/
s-04
nat-basic
/
refl-Nat