## On the Subject of a Extended Boolean Venn Diagram

Evolution from circles to non-circles.

Refer to the original manual for the original instructions.

X ∧ Y AND |
X ∨ Y OR |
X ⊻ Y XOR |
X → Y IMPLIES |
X | Y NAND |
X ↓ Y NOR |
X ↔ Y XNOR |
X ← Y IMPLIED BY |