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INF2D: Week 4: Propositional Inference, First-Order Logic, Unification

We continue our study of propositional logic with a look at 2 algorithms for propositional inference, DPLL and WalkSAT:
10: Effective Propositional Inference.

We extend to a new, more expressive logic: First-Order Logic (FOL). We start with the definition of the logic, describing its syntax and semantics in:
11: First-Order Logic
 

We then start exploring ways of performing inference. We explore propositionalization, unfication and generalised modus ponens in:
12: Unification and Generalised Modus Ponens.
 

Each of the above three items in this folder includes lecture slides, required reading, and a small quiz for each lecture . There will also be a tutorial with exercises on this material next week.

If there is anything you don't understand, then you can: 

  1. Ask during the lecture (including on stream!);
  2. Post a question on Piazza;
  3. Ask your tutor.
License
All rights reserved The University of Edinburgh
  • INF2D: 10: Effective Propositional Inference
  • INF2D: 11: First-Order Logic
  • INF2D: 12: Unification and Generalised Modus Ponens

Book traversal links for INF2D: Week 4: Propositional Inference, First-Order Logic, Unification

  • INF2D: 9: Logical Agents
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  • INF2D: 10: Effective Propositional Inference

Navigation links

  • INF2D: Course Overview
  • INF2D: Course Materials
    • INF2D: Week 1 - Introduction. Intelligent Agents. Search Problems
    • INF2D: Week 2: Informed Search and Using Constraints, Adversarial Search
    • INF2D: Week 3: Revision, CW1 and Logical Agents
    • INF2D: Week 4: Propositional Inference, First-Order Logic, Unification
      • INF2D: 10: Effective Propositional Inference
      • INF2D: 11: First-Order Logic
      • INF2D: 12: Unification and Generalised Modus Ponens
    • INF2D: Week 5: Resolution, Situation Calculus, Revision
    • INF2D: Week 6: Symbolic Planning
    • INF2D: Week 7: From Symbolic Planning to Uncertainty and Rationality
    • INF2D: Week 8: Probabilistic Inference
    • INF2D: Week 9: Approximate Inference Methods, and Time
    • INF2D: Week 10: Rational Decision Making
  • INF2D: Tutorial Exercises
  • Inf2D Labs
  • INF2D: Resource List
  • INF2D: Assessment
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