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Theorem size-class
⊦ # (claset ++ ((* str)) .class) = 1 + # (claset -- str .class)
Type: A user defined theorem
Validity: The proof is valid.
Features: simp, localsimp,
Comment:
Used by:
Used by units in proved state:
Proof exists?: Yes
View
the proof
Infos about the proof
Proved?: Yes
Interactions: 1
Proof steps: 2
Used lemmas:
Used spec theorems:
set-basic
/classnames/
Size-insert
Used simplifier rules:
nat-basic2
/
eq-01
set-union
/classnames/
del-in
nat-basic2
/
c
set-basic
/classnames/
eq
set-union
/classnames/
del-size
set-basic
/classnames/
ne-01
set-basic
/classnames/
size-zero-02
nat-basic1
/
one-01
nat
/
lels-01
nat
/
eq-02
nat-basic2
/
a