| A | B |
| ad hominem | attacking an opponent rather than sticking to the issue |
| non sequitor | a conclusion taht does not follow from the evidence presented |
| bandwagon device | persuasion to join the popular or winning side |
| faulty dilemma | the offering of only two alternatives when more than two exist |
| analogy | a comparison of things which are alike in certain ways and therefore presumably alinke in other ways; an extended comparison to clarify an idea |
| Socratic irony | the device of pretending to be ignorant and asking questions in order to trap teh opponent into obvious error |
| fragment | an incomplete sentence |
| comma splice | the use of a comma between main clauses where a period or semicolon should be used |
| infinitive | a verbal form that consists usually of "to" plus a verb, as "to walk" |
| participle | a verbal adjective |
| parallelism | simlarity of grammatical structure given to similar ideas |
| idiom | an accepted phrase that is contrary to the usual language pattern |