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Logic / Unit 1   Logic 019 short lesson, about 20 seconds

Inductive Strength

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The idea

An inductive argument is strong when true premises make the conclusion probable, weak when they don't. Strength comes in degrees.

In practice

10,000 black ravens: strong. Three black ravens: weak. Same form, different strength.

Where people slip

Unlike validity, strength is a dial, not a switch.

Your place on the trail

Every lesson rests on earlier ones and opens later ones. Tap any to jump.

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