Logical Fallacies

ACROSS
1. Excluding relevant possibilities without justification - "False ________"
3. Inference from "If A, then B" and "B" to "A" - "Affirmation of the __________"
4. A consequent is argued to be caused by an antecedent, simply because of the coincidental temporal relationship (two words)
7. Trying to refute a claim by showing that the speaker has a nonrational motive for adopting it - "Poisoning the ______"
10. Also known as "argumentum ad baculum", an argument deriving its strength from an appeal to fear, perhaps containing a threat, "appeal to  ______"
11. Any fallacy arising from the ambiguity of grammatical construction as distinguished to single words
12. Any fallacy which has not even the deceptive appearance of valid reasoning, or a complete lack of connection between premises and conclusion
13. Trying to refute an accusation by showing that the speaker is guilty of it (two words)
15. Trying to support one proposition by arguing for another proposition
16. Using the absence of proof for a proposition as evidence for the truth of the opposing proposition - "Appeal to __________"
17. Irrelevant appeal to personal circumstances; diversion from facts and reason to the personality of one's opponents - "ad ____________"

DOWN
1. Fallacious inference from "If A, then B" and "not A" to "not B" - "Denial of the ___________"
2. An argument in which the same term is used ambiguously
5. Trying to refute one proposition (or argument) by arguing against another proposition (or argument) (two words)
6. A form of petitio principii, in which P1 is used to prove P2, P2 is used to prove Pn, and Pn is used to prove P1 - "Vicious ________"
8. Also known as petitio principii, the fallacy of assuming a premise identical to the conclusion - "_______ the question"
9. Using the fact that large numbers of people believe a proposition to be true as evidence of its truth - "Appeal to ________"
11. Using testimonial evidence for a proposition when the conditions for credibility are not satisfied
14. Trying to get someone to accept a proposition on the basis of a feeling one induces - "appeal to __________"