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# Dominant

## Description

This is an optional argument for toMap. When true or infinity is passed to this option, the kernel of the returned ring map will be zero.

## Functions with optional argument named Dominant:

- `rationalMap(...,Dominant=>...)`
- `toMap(...,Dominant=>...)`

## For the programmer

The object Dominant is a symbol.

The source of this document is in /build/macaulay2-88fgJW/macaulay2-1.25.11+ds/M2/Macaulay2/packages/Cremona/documentation.m2:88:0.