What essential property of water did Kripke claim to be necessary and known a posteriori?
Its fluidity
Its taste
Its boiling point
Its H2O composition
Answer
Its H2O composition, which can be empirically verified through scientific experimentation and observation, serves as the fundamental property of water that Kripke identified as necessary and knowable through experience.
Saul Kripke: Unraveling the Mind of a Groundbreaking Philosopher