Facts - behind them lies the whole fabric of deductive…

What is history after all? History is facts which become lies in the end.

— Jean Cocteau

A world of facts lies outside and beyond the world of words.

— Thomas Huxley

“Parker sat for a long time on the ground in the alley behind the pool hall, examining his soul. He saw it as a…

— Flannery O'Connor

Without deductive logic science would be entirely useless. It is merely a barren game to ascend from the particular to the general, unless afterwards…

— Alfred North Whitehead

Mathematics, in its widest significance, is the development of all types of formal, necessary, deductive reasoning.

— Alfred North Whitehead

Mathematics is not a deductive science, that's a cliché ... What you do is trial and error, experimentation, guesswork.

— Paul Halmos

When you are young in this world, you believe that the class of deductive truths about social matters is larger than it turns out…

— Richard Allen Epstein

“All mathematical proofs must be deductive. Each proof is a chain of deductive arguments, each of which has its premises and conclusion.”

— Morris Kline

“All right,” she said. “Inductive reasoning. It’s what those so-called detectives on CSI, SVU, LMNOP and all the rest of them call deductive reasoning,…

— Joe Ide

“There is nothing distinctively scientific about the hypothetico-deductive process. It is not even distinctively intellectual. It is merely a scientific context for a much…

— Peter B. Medawar

“Your powers of deductive reasoning are stunning," spits Tobias. "Consider me awed.”

— Veronica Roth

The mathematician starts with a few propositions, the proof of which is so obvious that they are called self-evident, and the rest of his…

— Thomas Huxley

I am delighted to know that Principia Mathematica can now be done by machinery. . . I am quite willing to believe that anything…

— Bertrand Russell

If a lack of empirical foundations is a defect of the theory of logical probability, it is also a defect of deductive logic.

— David Stove

The deductive method is the mode of using knowledge, and the inductive method the mode of acquiring it.

— Henry Mayhew