Formal Statement
The notion of invariance is formalized in three different ways in mathematics: via group actions, presentations, and deformation.
Read more about this topic: Invariant (mathematics)
Famous quotes containing the words formal and/or statement:
“Two clergymen disputing whether ordination would be valid without the imposition of both hands, the more formal one said, “Do you think the Holy Dove could fly down with only one wing?””
—Horace Walpole (1717–1797)
“I think, therefore I am is the statement of an intellectual who underrates toothaches.”
—Milan Kundera (b. 1929)