Prolog
{{language|Prolog |strength=strong |checking=dynamic |gc=yes |exec=both |LCT=yes |compat=structural |parampass=value |bnf=[http://cdn.bitbucket.org/muspellsson/rosetta/downloads/prolog-bnf.html] }}{{language programming paradigm|Declarative}}{{language programming paradigm|Logic_Programming}}
[[wp:Prolog|Prolog]] is a [[logic programming]] language. It is programmed declaratively, using ''resolution'' and ''backtracking'' to confirm propositions based on declared facts and rules.