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I would like to assume that a>t[b_] for any b, such that e.g. Simplify[a>t[c]]==True. How could this be done? Simply including

$Assumptions = a > t[_] 

does not work.

I only need to consider functions of one argument, e.g. t[c] rather than t[c,d].

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$Assumptions = {Element[t[_], Reals], a > t[_]};

Simplify[a > t[c]] 

True

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  • $\begingroup$ This solution works only partly, e.g. Simplify[a > t[1]] yields True, but Simplify[a <t[1]] cannot be decided while it should give False. $\endgroup$ – sdnnds Jul 31 '19 at 8:06

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