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On a deflationary account of truth, scientific statements can be true if they meet the standard of empirical verification. It’s raining diamonds on Saturn is true if we can detect diamond rain on Saturn right now.

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Was it also "true" in 1877 when Giovanni Schiaparelli detected canals on mars that there were canals on mars?

Observations and subsequent inferences should always come with probabilities. No matter how beautiful the math, the measurement is never perfect.

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