ศัพท์ที่พบในแหล่งข้อมูลนี้

Copi, I. M., Cohen, C., & McMahon, K.. (2014). Introduction to logic. Pearson.

Book 2014 1 ศัพท์

A condition that must be present for an event to occur (e.g., oxygen is a necessary condition for fire), though it alone may not be sufficient.