On the Subject of a Exte Boolean Venn Diagram

Evolution from circles to non-circles, then revert halfway.

Refer to the original manual for the original instructions.

X ∧ Y
AND
X ∨ Y
OR
X △ Y
XOR
X ↦ Y
IMP
X | Y
NAND
X ↧ Y
NOR
X ≡ Y
XNOR
X ↤ Y
IMPBY