Removes the leading n quantifiers of a formula.
Removes the leading n quantifiers of a formula. It's only well-defined for formulas that begin with at least n quantifiers.
Number of quantifiers to be removed
form without the first n quantifiers
exception
in case f does not start with n quantifiers.
Removes the outermost block of quantifiers from a formula f.
Removes the outermost block of quantifiers from a formula f.
the formula of the form Qx1.Qx2. ... .Qxn.F[x1,...xn] where F is quantifier free. (n may be 0)
the stripped formula F[x1,...,xn]