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Originally Posted by ynwa03
How much of science is based on theories and how much on proofs? Most of science is based on conjecture and theories. Does that mean any of it is less true?
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There's no such thing as "proof" in science, proof is for math. All conclusions in science are provisional.
A theory in science means an extremely well supported framework complete with evidence, confirmed predictions, and explanatory power. It doesn't mean the same thing when you say "conjecture".
A theory of gravity doesn't mean a conjecture about how things fall, the theory of gravity predicts and explains gravitational interactions to such a high degree that we can send probes across the solar system and predict where things will be.