If & Else & Pattern Matching in SML altogether?...

Inverting `member` in Curry (PAKCS) gives no answers...

Haskell: Combining existential and universal quantifiers fails unexpectedly...

Need clarification in understanding a custom core.logic constraint...

Generating a parser with `inverse`, with constraints on the grammar...

Compact vs full/verbose definition of the inverse combinator/operator in Curry...