PPT-Ch. 8 – First Order Logic

Supplemental slides for CSE 327 Prof Jeff Heflin Syntax of FirstOrder Logic Sentence AtomicSentence ComplexSentence AtomicSentence PredicateTerm Term Term ComplexSentence . Please do not alter or modify contents All rights reserved For more information call 8003384065 or visit wwwloveandlogiccom Love and Logic Institute Inc is located at 2207 Jackson Street Golden CO 80401 57513 1998 Jim Fay 57375e Delayed or Anticipat Probability Conditional Probability Mean Median Mo de and Standard Deviation Random Variables Distributions uniform normal exponential Poisson Binomial Set Theory Algebra Sets Relations Functions Groups Partial Orders Lattice Boolean Algebra Comb s father was a wealthy Virginia plante Washington fought in the French and Indian War Washington fought in the French and Indian War led disorganized poor ly funded Continental army in led disorganized poor ly funded Continental army in the Revoluti Permission granted for photocopy reproduction. Please do not alter or modify contents. All rights reserved. 800-338-4065 www.loveandlogic.com Use . WalkSAT. Use min-Conflict heuristic. Similar to hill climbing and simulated annealing. Pick unsatisfied clause then pick a symbol to flip to satisfy the clause by. Use Min Conflict. Or Random. Downside. FOL is very expressive, but.... consider how to translate these:. "most students graduate in 4 years". x student(x) → duration(undergrad)years(4) ???. "only a few students switch majors". s,m1,m2,t1,t2 student(s)^major(s,m1,t1)major(s,m2,t2) m1m2. Assertions;. t/f. Epistemological. commitment. Ontological. commitment. t/f/u. Deg. belief. facts. Facts. Objects. relations. Prop. logic. Prob. prop. logic. FOPC. Prob. FOPC. Atomic. PropositionalRelationalFirst order. Properties of Propositional Logic. Pros. Compositional. Declarative. Cons. Limited expressive power. Represents facts. First Order Logic. Used to represent. Objects – Martin the cat. Relations – Martin and Moses are brothers. We already know that the language of the machine is . binary. – that is, sequences of 1’s and 0’s. But why is this? . At the hardware level, computers are streams of signals. These signals only have two states of interest, high voltage and low voltage. . Logic Gates. NOT (Inverter) Gate. AND Gate. OR Gate. NAND Gate. NOR Gate. XOR Gate. Digital Signals. Digital signals 0 (false) or 1 (true). Digital signal 1 is represented by a small voltage.. Digital signal 0 is represented by no voltage.. Learn what a logic gate is and what they are for.. Be able to identify common logic gates.. Understand how truth tables work.. What is a logic gate?. Logic gates are part of the circuits inside your computer. They can take several INPUTS. . Logic Gates. NOT (Inverter) Gate. AND Gate. OR Gate. NAND Gate. NOR Gate. XOR Gate. Digital Signals. Digital signals 0 (false) or 1 (true). Digital signal 1 is represented by a small voltage.. Digital signal 0 is represented by no voltage.. In the UK, first time home buyers should always begin their search by doing considerable research. Browse our 1st time buyer mortgage tips. SystemVerilog is a superset of Verilog. The subset we use is 99% Verilog + a few new constructs. Familiarity with Verilog (or even VHDL) helps a lot. SystemVerilog resources on “Assignments” page.