Island Ecosystems Under Threat: Introduced Animals Rewrite the Rules of Plant Dispersal
A groundbreaking global study reveals that the introduction of non-native animals is…
Peano Arithmetic
A formal system of arithmetic using axioms by Giuseppe Peano, it provides…
Tarski’s Convention T: A Correspondence Theory of Truth
Alfred Tarski's Convention T proposes a criterion for truth: a sentence is…
Bound Variable in Logic
A bound variable is a symbol within a logical formula that is…
The Invisible Hand
The 'invisible hand' is a metaphor for the self-regulating nature of the…