(idiomatic) To go back to a better, original state.

(mathematics) A form (expression) that does not use limits, implicitly or explicitly. / (mathematics) A differential form whose exterior derivative is zero.

Any of a set of presuppositions or fundamental ideas which define the thinking of people of a given region, time period etc.

(calculus) a covector field

(logic) Alternative form of argument form

(philosophy) The Platonic form of the supreme idea in which all other ideas participate. / The subject object relation.

Alternative form of urform

Synonym of scratch sheet

(linear algebra) bilinear form

(linear algebra) A function of two arguments from the same vector space which maps onto a field of scalars, which acts like a linear form with respect to either one of its arguments when the other one is held constant.