Combining Texts
Ideas for
'On the Philosophy of Logic', 'The Union of Body and Soul' and 'The Principles of Mathematics'
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2 ideas
5. Theory of Logic / B. Logical Consequence / 8. Material Implication
14106
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Implication cannot be defined [Russell]
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It would be circular to use 'if' and 'then' to define material implication [Russell]
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