Philosophers have tried to make this heuristic principle more precise in terms of theoretical parsimony or other measures.
2.
Dualistic interactionism has therefore been argued against in that it violates a general heuristic principle of science : the causal closure of the physical world.
3.
The "'Law of Continuity "'is a heuristic principle introduced by Gottfried Leibniz based on earlier work by Nicholas of Cusa and Johannes Kepler.
4.
Cauchy ( 1789 1857 ) started the project of formulating and proving the theorems of infinitesimal calculus in a rigorous manner, rejecting the heuristic principle of the generality of algebra exploited by earlier authors.
5.
:" G�del mentioned Ackermann's example in the final section of his 1934 paper, as a way of motivating the concept of " general recursive function " that he defined there; but earlier in footnote 3, he had already conjectured ( as " a heuristic principle " ) that all finitarily computable functions could be obtained through recursions of such more general sorts.