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Logic

What do philosophers mean when they describe one claim as being "stronger" or "weaker" than another?
Accepted:
March 30, 2011

Comments

Richard Heck
March 31, 2011 (changed March 31, 2011) Permalink

When someone says that a claim P is logically stronger than a claim Q, it usually just means that P implies Q, but not conversely. Thus, an argument sufficient to establish Q need not be sufficient to establish P. So it's good if your premises are "weak". Then you don't need such strong arguments to establish them.

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