Paradoxes of Material Implication/Examples/Red Grass and Green Moon
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Example of Paradox of Material Implication
The compound statement:
- If grass is red then the moon is made of green cheese
is true, despite being semantically meaningless.
Sources
- 1988: Alan G. Hamilton: Logic for Mathematicians (2nd ed.) ... (previous) ... (next): $\S 1$: Informal statement calculus: $\S 1.2$: Truth functions and truth tables: Conditional