An introduction to logic and scientific method
An Introduction to Logic and Scientific Method is a college level primer on logic. This book was widely used by scholars especially those studying economics as an introduction to logical thought in preparation for intellectual discourse. Ludwig von Mises was known to say that all students of economics should read this book as a first step in their training as economists.
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Conclusive Evidence or Proof
Is Logic about Words Thoughts or Objects?
THE ANALYSIS OF PROPOSITIONS
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affirmative alternative analogy analysis angles antilogism Archimedes argument Aristotle arithmetic mean assert assumptions axioms believed body called canon categorical propositions categorical syllogism causal cause conclusion connected consequences contains contradictory contrapositive deductive defined definiens definition denoted determine discover discussion disjunctive disjunctive proposition distinct distributed elements employed equivalent evidence examine example expressed fact factors fallacy false falsity formal frequently geometry gism Hence Herodotus hypothesis hypothetical syllogism imply induction inference inquiry instances invariable knowledge l-class logical principles major premise mathematicians mathematics meaning measure method of agreement nature negative non-Euclidean geometry objects observed plane possible postulate predicate probability proof properties propo question reader reason regarded relation rule scientific method sense significant sitions subject matter Suppose syllogism symbols theorems theory things tion triangle true truth universal propositions valid verifiable virtue words