STRIP-CARS.html -- ACL2 Version 6.3

### STRIP-CARS

collect up all first components of pairs in a list

    Major Section:  ACL2-BUILT-INS

`(strip-cars x)` is the list obtained by walking through the list `x` and collecting up all first components (`car`s). This function is implemented in a tail-recursive way, despite its logical definition.

`(strip-cars x)` has a guard of `(alistp x)`.

To see the ACL2 definition of this function, see pf.