This is from Wikipedia and there are many more.These are used in maths,logic and philosophy.
| a posteriori | from the latter | Based on observation (i.e., empirical evidence), the reverse of a priori. Used in mathematics and logic to denote something that is known after a proof has been carried out. In philosophy, used to denote something known from experience. |
| a priori | from the former | Presupposed independent of experience, the reverse of a posteriori. Used in mathematics and logic to denote something that is known or postulated before a proof has been carried out. In philosophy, used to denote something is supposed without empirical evidence. In everyday speech, it denotes something occurring or being known before the event |
How my heart sings 