SUBSTC
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Syntax
SUBSTC ( expression | equation , equation | equation list )
Implemented in iMath since version 2.2.0 or earlier.
Explanation
Substitute the equation or the list of equations in the expression/equation. The substitutions will be done in the order you specify them, so a list of equations like x = y; y = z will have the effect of substituting all x and y in the expression with z.
Example
See SUBST for an example.