<u>Explanation</u>:
Note, the symbol ∧ is the and conjunction and is used when all the statements (eg A and B) are true. While ∨ is the disjunction symbol, it is used when any one of the statements (A or B) is true, or both statements are true.
a) p ∧ q
b) p ∧ -q
c) (p ∨ q)
d) r ∧ (p ∨ q)
e) (r ∧ p) ∧ q
f) (r ∧ p) -q
Number 9. Is A. Encouraging
Number 10.is B. Critical
Answer: Do you mean parallel? Like "The two lines in an equal sign are parallel to each other." ?
Explanation:
Answer: The most likely meaning of Greek word 'auto' is 'by itself.'
Explanation:
Prefix 'auto' means <em>self-propelling</em> - something that can move on its own power. As seen in this passage, word 'automobile' stands for a vehicle that can move all by itself. Similarly, 'autopilot' means that an aircraft can move without any human involvement. Some other words that contain this prefix are <em>automotive, automatically, autofocus</em>, etc.
