It's hard to make a cogent point when your textbook has pictures of man riding saddled dinosaurs.
Man: I came here for a good argument!
Other Man: AH, no you didn't, you came here for an argument!
Man: An argument isn't just contradiction.
Other Man: Well! it CAN be!
Man: No it can't!
Man: An argument is a connected series of statements intended to establish a proposition.
Other Man: No it isn't!
Man:Yes it is! 'tisn't just contradiction.
Other Man:Look, if I "argue" with you, I must take up a contrary position!
Man:Yes but it isn't just saying 'no it isn't'.
Other Man:Yes it is!
Man:No it isn't!