Nancy cartwright

All laws of science lie to us:
they could never be applied as-are in the real world: they describe highly ideal situations.

Every theory we have proposed in Physics, even at the time when it was most firmly entrenched, was known to be deficient in specific and detailed ways.

N. Cartwright, How The Laws of Physics Lie

The nature we deal with with laws is idealized. Phenomena interpreted are not strictly real.

Examples:
all bodies fall with the same speed, ceteris paribus
provided the supply remains constant, the price of a product increases with growing demand, ceteris paribus
haemoglobin binds O2, ceteris paribus



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