implication vs stipulation

implication

noun
  • The act of implicating. 

  • The state of being implicated. 

  • An implying, or that which is implied, but not expressed; an inference, or something which may fairly be understood, though not expressed in words. 

  • The connective in propositional calculus that, when joining two predicates A and B in that order, has the meaning "if A is true, then B is true". 

  • Logical consequence. 

  • A possible effect or result of a decision or action. 

stipulation

noun
  • The act of stipulating; a contracting or bargaining; an agreement. 

  • Something that is stated or stipulated as a condition of an agreement. 

  • The situation, arrangement, and structure of the stipules. 

  • A goal to be achieved in a chess problem; for example, to checkmate Black within a specified number of moves. 

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