a posteriori vs deductive

a posteriori

adj
  • Involving induction of theories from facts. 

  • Developed on a basis of languages which already exist. 

adv
  • In a manner that deduces theories from facts. 

deductive

adj
  • Of, pertaining to, or based on deduction (process of reasoning). 

  • Based on inferences from general principles. 

How often have the words a posteriori and deductive occurred in a corpus of books? (source: Google Ngram Viewer )