According to a law of physics called Boyle's law, the pressure times the volume of a gas is always a constant--increasing pressure makes volume decrease, and vice versa.
Boyle's law demonstrates how the pressure is indirectly proportional to volume, and it is still true up to now.
mnli hypothesis: Boyle's law demonstrates how the pressure is indirectly proportional to volume, and it is still true up to now. premise: According to a law of physics called Boyle's law, the pressure times the volume of a gas is always a constant--increasing pressure makes volume decrease, and vice versa.