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Title: Which one of the following conversions is invalid? Post by: GrayHimakar on Feb 7, 2018 Which one of the following conversions is invalid?
a. No X is Y; No Y is X. b. Some X are Y; Some Y are X. c. All X are Y; only Y are X. d. All X are Y; all Y are X. Title: Which one of the following conversions is invalid? Post by: berger58 on Feb 7, 2018 Content hidden
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