Sciencespeaking topic
The raven paradox: saying all ravens are black is logically equivalent to saying everything non-black is not a raven. Does seeing a green apple really confirm the claim about ravens?
— Carl Hempel, the raven paradox
practice with this topic
Set the timer (5-30 min), take 20 seconds of prep if you like, start talking. Jot your thoughts onto the sticky-note board.
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