The Asymmetry of Identity

The = sign doesn't guarantee unreserved symmetry between expressions. It can be a reminder or sign that is appended to one expression to show that that expression is referencing another expression.

1) Taking the expression sq.rt4 = 2. Sq.rt4 refers to 2. 2 does not refer to anything. 2 is the object itself. It is presented, we don't need to refer to it, it is there in front of us to use as we wish.

2) A = A (or A is equal to itself) is another asymmetric use of the = sign. An object that references itself is not the object referenced by another. Object properties are given by reference, but not by self-reference.
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