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Theorem num-i2l-pos

9223372036854775807 < i ⊦ i2l((* i)) = i2l(bits2int(lastn(64, int2bits(i))))

Type: A user defined theorem
Validity: The proof is valid.
Features:
Comment:
Used by: long-automatic-02, long-automatic-03,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 3
Proof steps: 6
Used lemmas: long-is-cast-01,
Used spec theorems:
- intops/bits2int-is-cast
- int2bits/int2bits-lelen
Used simplifier rules: