#CH14 CONNECTIVES: AND + OR

Question 1

WHAT NUMBER INDI WELLFORMED FORMULA &?

Answer 1

NUMBER INDI WELLFORMED FORMULA +PLACED SEQUENCE
+ SYMBOL & BETWEEN ADJACENT PAIR SEQUENCE:
->RESULT COMPLEX WELLFORMED FORMULA.
EX 3 SIMPLE FORMULA:
C COME G
(CAESAR CAME TO GAUL)
C SEE G
(CAESAR SAW GAUL)
C CONQUER G
(CAESAR CONQUERED GAUL)
, SINGLE COMPLEX FORMULA
->(C COME G) & (C SEE G) & (C CONQUER G)

Question 2

RULE COMMUTATIVITY CONJUNCTION?

Answer 2

RULE COMMUTATIVITY CONJUNCTION:
(P & Q) /(Q & P)
(PREMISS) /(CONCLUSION)

Question 3

WHAT NUMBER WELLFORMED FORMULA SYMBOL V?

Answer 3

NUMBER WELLFORMED FORMULA
+ PLACED SEQUENCE
+SYMBOL V
BETWEEN ADJACENT PAIR SEQUENCE =>RESULT COMPLEX
WELLFORMED FORMULA.
EXAMPLE H HERE
(HARRY IS HERE)
C DUTCHMAN
(CHARLIE IS A DUTCHMAN)
SINGLE COMPLEX FORMULA
->(H HERE) V (C DUTCHMAN) (HARRY IS HERE OR CHARLIE IS A DUTCHMAN)

Question 4

(PREMISS)/(CONCLUSION)?

Answer 4

(P V Q) /(Q V P)
(PREMISS)/(CONCLUSION)