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PHILOS 31Logic, First Course

Philosophy · 5 units · Undergraduate lower division (0-99)

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Recommended for students who plan to pursue more advanced studies in logic. Elements of symbolic logic, sentential and quantificational; forms of reasoning and structure of language.

P/NP or letter grading.

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Requisites

UCLA lists no requisites for this course.

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Requires

Everything that has to come before this course, not just the courses named in the requisite above.

Nothing — this is an entry point.

Unlocks

What this course is a requisite for, and what those courses lead to in turn.

PHILOS 31

  • PHILOS 125Philosophy of Science: Contemporary
  • PHILOS C127APhilosophy of Language
  • PHILOS C127BPhilosophy of Language
  • PHILOS C127CPhilosophy of Language
  • PHILOS C128Topics in Philosophy of Mathematics
  • PHILOS 132Logic, Second Course
    • PHILOS C128Topics in Philosophy of Mathematicsanother path to it
    • PHILOS 135Introduction to Metalogicanother path to it
  • PHILOS 133Topics in Logic and Semantics
  • PHILOS 133CTopics in Probability and Inductive Logic
  • PHILOS C133BProbability and Inductive Logic
  • PHILOS 135Introduction to Metalogic
    • PHILOS M134Introduction to Set Theory
    • PHILOS 136Modal Logicanother path to it
    • MATH 114CComputability Theory
    • MATH 114LMathematical Logic
    • MATH M114SIntroduction to Set Theory
      • PHILOS 221ATopics in Set Theory
      • MATH 220AMathematical Logic4 more beyond
      • MATH 220BMathematical Logic4 more beyond
      • MATH 220CMathematical Logic1 more beyond
  • PHILOS 136Modal Logic
  • PHILOS C225Probability and Inductive Logic
  • PHILOS C228APhilosophy of Language
  • PHILOS C228BPhilosophy of Language
  • PHILOS C228CPhilosophy of Language

15 courses list this as a requisite. Showing 26 courses over 3 levels; the branches marked with a count carry on past it. Every course here opens its own tree.

  • Fall 2025
  • Winter 2026
  • Spring 2026
  • Summer 2026
  • Fall 2026
  • Winter 2027
  • Spring 2027

Scheduled, not typical — from UCLA’s Schedule of Classes, which publishes Fall 2025 through Spring 2027 and nothing before it.