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The two operations of our understanding, intuition and deduction, on which alone we have said we must rely in the acquisition of knowledge.
René Descartes, French philosopher, mathematician, scientist ...
Logical errors are, I think, of greater practical importance than many people believe; they enable their perpetrators to hold the comfortable opinion on every subject in turn.
Bertrand Russell, British philosopher, ...
The deductive method is the mode of using knowledge, and the inductive method the mode of acquiring it.
Henry Mayhew, English journalist and playwright (1812–1887)
You just investigated deductive arguments, ...
All generalizations are false, including this one.
Mark Twain, American author and humorist (1835–1910)
As with deductive reasoning, an inductive argument that has poor reasoning to support its ...
The first point of wisdom is to discern that which is false; the second, to know that which is true.
Lactantius, North-African author and rhetoric teacher (c. 250–325 b.c.e.)
You read and hear arguments every ...