‘=‘ does not mean assignment in math. Your example y = mx + b could equivalently be stated as y - b = mx What does it mean to assign something to ‘y -

‘=‘ does not mean assignment in math. Your example y = mx + b could equivalently be stated as y - b = mx What does it mean to assign something to ‘y - b’? Another example, 2 = x means exactly the same thing as x = 2 What does it mean in your semantics to assign x to 2?