Description: Rotation law for the adder carry. (Contributed by Mario Carneiro, 4-Sep-2016)
Ref | Expression | ||
---|---|---|---|
Assertion | cadrot | |- ( cadd ( ph , ps , ch ) <-> cadd ( ps , ch , ph ) ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cadcoma | |- ( cadd ( ph , ps , ch ) <-> cadd ( ps , ph , ch ) ) |
|
2 | cadcomb | |- ( cadd ( ps , ph , ch ) <-> cadd ( ps , ch , ph ) ) |
|
3 | 1 2 | bitri | |- ( cadd ( ph , ps , ch ) <-> cadd ( ps , ch , ph ) ) |