Bug introduced in 10.1 and solved in 11.1
An expression like this one
a < x < b
is represented as
Less[a, x, b]
while an expression like
a < x <= b
is represented as
Inequality[a, Less, x, LessEqual, b]
On my machine a problem arise when an Inequality expression contains Quantity expressions. For example
Quantity[6368, "Kilometers"] < Quantity[5500, "Kilometers"] <=
Quantity[6371, "Kilometers"]
stays unevaluated:
Quantity[6368, "Kilometers"] < Quantity[5500, "Kilometers"] <= Quantity[6371, "Kilometers"]
An annoying workaround is to LogicalExpand all Inequality expressions that may contains Quantity expression.
LogicalExpand@%
False
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