ch 5 and 6

Question 1

Logic:

Answer 1

an argument of premises assumed to be true, one or more conclusion

Question 2

propositional logic

Answer 2

if conclusions follow premise, it is valid

Question 3

truth tables:

Answer 3

enumeration of all possible values, showing in all cases where premise is true

Question 4

fuzzy logic

Answer 4

degree to which something isn’t entirely accurate

Question 5

modal logics address

Answer 5

ought or should issues

Question 6

converse of implication

Answer 6

obtained by reversing the roles of the premise and conclusion

Question 7

inverse of implication

Answer 7

obtained by negating the premise and the conclusion

Question 8

contrapositive of implication

Answer 8

if the assumed premise leads to the conclusion, then the not premise is the not conclusion

Question 9

stmts that are always true or false under identical circumstance

Answer 9

tautologies/theorems

Question 10

contradiction

Answer 10

if a partial premise is true, then the conclusion most likely is

Question 11

satisfiability problem

Answer 11

is there some value that fulfills all stmts

Question 12

resolution proof

Answer 12

assumes premise is true and conclusion is false, if contradicted, proof is valid

Question 13

forward chaining

Answer 13

continue until contradiction is made or resolutions are exhausted

Question 14

backwards chaining

Answer 14

examining related things only, supporting or refuting

Question 15

predicate logic

Answer 15

allows changes to be made to stmts to fulfill argument

Question 16

unification

Answer 16

compare status’ to see if there is a substitute to make them work,

Question 17

modal logic

Answer 17

analysis of belief, dealing with imperatives, unchanging

Question 18

data to knowledge

Answer 18

begin with raw data, attach a fact, context turns to information, processing info is knowledge

Question 19

different types of knowledge representation

Answer 19

data structures, graphs, search methods, logic, systems, scripts, concepts, maps, networks

Question 20

object orientation

Answer 20

inheritance, encapsulation, poly-morphism, separation of interface and implementation

Question 21

frames

Answer 21

neatly packaged, slightly unrealistic, network of nodes and relations

Question 22

scripst

Answer 22

history books? researchers added info about events, main issues,

Question 23

semantic network

Answer 23

model relations between concepts, idea, object, events or situations.

Question 24

agents

Answer 24

independent programs, specializing in tasks, intelligent, perceptive, decisive, able to keep record,