Events Tagged: "proof"

Euclid's Elements establishes the axiomatic method of mathematical proof, demonstrating systematic deduction from axioms and definitions

Fourth Lateran Council mandates annual confession and prohibits clergy from participating in ordeals - transforms both spiritual discipline and legal proof

Giovanni Saccheri explores non-Euclidean geometry while trying to prove Euclid - accidentally discovers hyperbolic geometry

Leonhard Euler solves Seven Bridges of Königsberg problem, founding graph theory

Johann Lambert proves π is irrational - first rigorous proof π cannot be expressed as ratio of integers

Hadamard and Poussin prove Prime Number Theorem using complex analysis

Gerd Faltings proves Mordell conjecture using arithmetic geometry

Andrew Wiles proves Fermat's Last Theorem after 358 years

Grigori Perelman proves Poincaré Conjecture using differential geometry - resolves 100-year-old topology problem