# Page history

## 27 September 2021

## 25 September 2021

→The parametric derivative makes sense and is the correct expression when it is defined

+22

→If f'(t_0) \ne 0, the parametric expression defines a function locally around t_0

+481

→Algebraic definition

+69

→Algebraic definition

+15

→Limiting behavior on undefined cases

+1

→Relation with ordinary derivative

+2,447

→The parametric derivative makes sense when it is defined

+30

→Algebraic definition

+103

→If f'(t_0) \ne 0, the parametric expression defines a function locally around t_0

+1,451

→Algebraic definition

+427

→If f'(t_0) \ne 0, the parametric function is locally a function

+31

no edit summary

+2,453