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A generalization of Schröter's formula.

For any set theoretic formula f(x,t_1,t_2,...,t_n), In other words, for any formula and set A there is a subset of A consisting exactly of those elements which satisfy the ...

Any cubic curve that passes through eight of the nine intersections of two given cubic curves automatically passes through the ninth.

A quantity involving primitive cube roots of unity which can be used to solve the cubic equation.

The inverse curve of the Maclaurin trisectrix with inversion center at the negative x-intercept is a Tschirnhausen cubic.

On the Clebsch diagonal cubic, all 27 of the complex lines present on a general smooth cubic surface are real. In addition, there are 10 points on the surface where three of ...

An occurrence of a variable in a logic formula which is not inside the scope of a quantifier.

An operator definition of a function. A Rodrigues formula may be converted into a Schläfli integral.

A formula of first-order logic is in prenex normal form if it is of the form Q_1x_1...Q_nx_nM, (1) where each Q_i is a quantifier forall ("for all") or exists ("exists") and ...

An isocubic is a triangle cubic that is invariant under an isoconjugation. Self-isogonal and self-isotomic cubics are examples of isocubics.