Tri tri

About

A tri is a set of three symbols

Each symbol has four properties

Colour Shape Fill Number

What is a tri?

Think of each symbol as having four properties: colour, shape,fill and number.
A Tri is a group of three symbols which satisfy all of the follow conditions:

• They all have the same color, or they have three different colors
• They all have the same shape, or they have three different shapes
• They all have the same fill, or they have three different fills
• They all have the same number, or they have three different numbers

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