ThmDex – An index of mathematical definitions, results, and conjectures.
▼ Set of symbols
▼ Alphabet
▼ Deduction system
▼ Theory
▼ Zermelo-Fraenkel set theory
▼ Set
▼ Binary cartesian set product
▼ Binary relation
▼ Map
▼ Operation
▼ N-operation
▼ Binary operation
▼ Enclosed binary operation
▼ Groupoid
▼ Semigroup
▼ Standard N-operation
▼ Indexed sum
▼ Series
▼ Power series
▼ Convergent power series
▼ Convergent basic real power series
▼ Standard real cosine function
Definition D168
Pi
Also known as
Archimedes' constant
Results
▶ R3535: Riemann integral of unit semicircle