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7 Cards in this Set
- Front
- Back
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IF
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If introduces a sufficient condition.
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ONLY IF
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Only if introduces a necessary condition.
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ALL
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All introduces a sufficient condition.
All is synonymous with every, each & any. |
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NO
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The part of a statement that is introduced by 'no' constitutes the sufficient condition. The NEGATION of the other part constitutes the necessary condition.
None = no |
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UNLESS
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The part of the statement that is introduced by UNLESS constitutes the necessary condition. The NEGATION of the other part of the statement constitutes the sufficient.
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NOT BOTH
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One part of the statement (does not matter which one) constitutes the sufficient condition. The NEGATION of the other part of the statement constitutes the necessary.
The expression "not both" implies that at least one of two given variables must be ABSENT. |
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EITHER/OR
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The NEGATION of one part of the statement (dies not matter which) constitutes the sufficient condition. The other part of the statement constitutes the necessary condition.
The expression "either . . . or" implies that at least one of Terry given variables must be PRESENT. "Either . . . or" leaves possibility of BOTH. |
