1/1: Building params (params.idr)
Main> False
Main> True
Main> Error: When unifying:
    X 4 ?t
and:
    X 5 ?t
Mismatch between: 0 and 1.

(Interactive):1:1--1:12
 1 | A 4 "paper" == A 5 "postcard"
     ^^^^^^^^^^^

Main> True
Main> False
Main> Bye for now!