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Theorem sgn-rec
⊦ sgn(boolvar ' + boolvar ' + bits) = sgn(boolvar ' + bits)
Type: An axiom
Validity: The proof is valid.
Features: simp, localsimp,
Comment:
Used by:
bitsinvert-size
,
inv-sgn
,
lastn-fill-sgn
,
sgn-append
,
sgn-append-01
,
sgn-append-02
,
sgn-append-03
,
sgn-base-04
,
sgn-first
,
sgn-in
,
sgn-last
,
sgn-last-04
,
sgn-mklist-01
,
sgn-mklist-02
,
sgn-rec-01
,
sgn-rec-01-01
,
sgn-sgn-01
,
Used by units in proved state:
intops
,
int2bits
,
bytes
,
byte
,
Proof exists?: No