Answer:
Like charges repel each other; unlike charges attract. Thus, two negative charges repel one another, while a positive charge attracts a negative charge. The attraction or repulsion acts along the line between the two charges.
The material conditional is an operation commonly used in logic. When the conditional symbol \rightarrow is interpreted as material implication, a formula {\displaystyle P\rightarrow Q} is true unless P is true and Q is false.
