MathAction SandBoxTroubleWithOperators

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Operators are not immutable. Operator properties are dynamic and among other things affect equality!

(1) -> f:=operator 'f

g:=operator 'f

test(f=g)

test(kernels f(x) = kernels g(x))

test(f(x)=g(x))

name f

name g

Change or add a property.

display(g,(x:List OutputForm):OutputForm+->prefix('G,x)$OutputForm)

g(x)

test(f=g)

test(kernels f(x) = kernels g(x))

test(f(x)=g(x))

name f

name g