The '''first cause''' is regarded by some as postulate{{#tag:ref|The literature atributes the first cause as postulate to [[Aristotle]].<ref name="Masaryk"/> |group=note}}, by others as conclusion{{#tag:ref|The literature atributes the first cause as conclusion to [[Aquinas]].<ref name="Devils">{{Cite book | The '''first cause''' is regarded by some as postulate{{#tag:ref|The literature atributes the first cause as postulate to [[Aristotle]].<ref name="Masaryk"/> |group=note}}, by others as conclusion{{#tag:ref|The literature atributes the first cause as conclusion to [[Aquinas]].<ref name="Devils">{{Cite book |