• #
• A
• B
• C
• D
• E
• F
• G
• H
• I
• J
• K
• L
• M
• N
• O
• P
• Q
• R
• S
• T
• U
• V
• W
• X
• Y
• Z

Finite Group

• Group
• ⟨S, ∗⟩ is finite if
  • contains only finitely many elements

Field

• A ring ⟨S, ∗1, ∗2⟩ in which ⟨S \ {e1}, ∗2⟩ is a group
  • ⟨S \ {e1}, ∗2⟩
    A group is that every nonidentity element (with respect to ∗1) must have an inverse element (with respect to ∗2)