Oct 28, 2020 · 1 In first-order unification, which you seem to be discussing, that is possible assuming X and Z are variables and a is a constant. I'd suggest you check carefully …

Nov 22, 2013 · The most general is $\phi\ x \mapsto y$, since $\psi$ factors though $\phi$ with $\Phi\ y \mapsto c$ (or equivalently $\phi\ y \mapsto x$ and $\Phi\ x \mapsto c$). The usual …

In a now deleted answer, sunflower gave a unification algorithm which has an explicit rule to that effect: "The unification of two functors with different name or arity fails."

Jan 3, 2022 · I haven't though this through, but I think the answer is yes, but that the unification algorithm may not terminate, and that determining if it terminates for a particular case is as …

Dec 10, 2012 · In unification, what cannot be unified? Ask Question Asked 12 years, 11 months ago Modified 12 years, 11 months ago

Jul 29, 2020 · Unification of an expression : Example Ask Question Asked 5 years, 2 months ago Modified 5 years, 2 months ago

The Unification Algorithm is described at page 84. You have to recall the resolution calculus [page 29] : Resolution is a simple syntactic transformation applied to formulas. From two given …

Feb 17, 2016 · Resolution and unification are important in logic programming if you want to understand how the inference engine works.

Feb 3, 2020 · My professor asks us to either prove a logical consequence by resolution or disprove it by giving a suitable interpretation. While doing one of the tasks, I encountered a …

May 23, 2012 · Szamuely's Galois groups and fundamental groups gives a good introduction to all the topics you mention except étale cohomology. Conversely, I think most references for étale …