2.9 With the following statements, please use the corresponding predicate formula to express them separately.
(1) Some people like plum blossom, some people like Chrysanthemum, some people both like plum blossom and like chrysanthemum.
Solution: Defining predicates
X (Representative person)
M (on behalf of plum Blossom)
J (on behalf of Chrysanthemum)
At this point, the predicate formula is used to represent the above knowledge as:
(2) Some people go to play basketball every afternoon.
(3) The new type of computer is fast and the storage capacity is large.
(4) Not every computer department student likes the computer creates Macintosh program.
(5) Anyone who likes to program is fond of computers.
2.11 The problem of farmer, wolf, goat and cabbage by means of predicate notation
The farmer, the wolf, the goat, the cabbage all on the left bank of a river, now to send them all to the right bank of the river, the farmer has a boat, when the river, in addition to the farmer outside the ship can carry a wolf, goat, cabbage in one. The wolf wants to eat the sheep, the goat eats the cabbage, except the farmer is there. Plan for a safe crossing across the river. Please write out the definition of the predicate used, and give the function of each predicate and the individual domain of the change.
2.16 write out their semantic networks for each of the following propositions:
(1) Each student has a computer.
(2) High teacher from March to July to the computer department students to talk about the "computer network" class.
(3) There are men, women, graduate students and undergraduates.
(4) The innovation Company at 56th Hoi An avenue, Liu Yang is the company's manager, he is 32 years old, Master's degree.
(5) The red team played football with the Blue team and ended with 3:2 points.
2.17 Please express the following proposition in a semantic network.
(1) Trees and grasses are plants.
AKO
AKO
(2) Both the tree and the grass have leaves and roots.
Grass Tree
AKO
Plant
Leaves have root
(3) Weeds are grass and grow in water.
(4) fruit trees are trees and will result.
(5) Pear tree is a kind of fruit tree, she will knot pear.
Ai Second Job