Not equal (Books)

Expressions researched:
"Not necessarily equal" |"cannot be equal" |"cannot become equal" |"cannot claim equal" |"cannot have equal" |"cannot make equal" |"neither equal" |"never equal" |"no equal" |"no equals" |"not an equal" |"not be equal" |"not be equaled" |"not equal" |"not equaled" |"not equally" |"not even equal" |"not exactly equal" |"not on equal" |"not quantitatively equal" |"not that equal" |"not very equal"