Formal - Logic and Mathematics

Logic and Mathematics

  • Formal logic, logical argument based on form
  • Formal cause, Aristotle's intrinsic, determining cause
  • Formal power series, a generalization of power series without requiring convergence, used in combinatorics
  • Formal calculation, a calculation which is systematic, but without a rigorous justification
  • Formal set theory, as opposed to Naive set theory
  • Formal derivative, an operation on elements of a polynomial ring which mimics the form of the derivative from calculus

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