Description: A cyclically shifted word is a function with a half-open range of integers of the same length as the word as domain. (Contributed by AV, 12-Nov-2018)
Ref | Expression | ||
---|---|---|---|
Assertion | cshwfn | |- ( ( W e. Word V /\ N e. ZZ ) -> ( W cyclShift N ) Fn ( 0 ..^ ( # ` W ) ) ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cshwf | |- ( ( W e. Word V /\ N e. ZZ ) -> ( W cyclShift N ) : ( 0 ..^ ( # ` W ) ) --> V ) |
|
2 | 1 | ffnd | |- ( ( W e. Word V /\ N e. ZZ ) -> ( W cyclShift N ) Fn ( 0 ..^ ( # ` W ) ) ) |