Apodictic versus Apodeitic

Apodictic (αποδεικτικος, meaning "capable of demonstration"), is a logical term, applied to judgments which are necessarily true, as of mathematical conclusions. Apodicticity is the corresponding abstract noun, referring to logical certainty. en.wikipedia.org/wiki/Apodictic

Apodeitic: Good without reference to purpose. Rules of skill. Counsels of prudence. dsc.dixie.edu/owl/syllabi/Ph3510PPT/kant.ppt