Sentence examples for proposition letter from inspiring English sources

The variable sharing principle says that no formula of the form A → B can be proven in a relevance logic if A and B do not have at least one propositional variable (sometimes called a proposition letter) in common and that no inference can be shown valid if the premises and conclusion do not share at least one propositional variable.

Inside each circle is a labeling of the truth of each proposition letter for the world whose name is labelled right outside the circle.

Let M be a pair (S, V) with error ∈ S (the set of states includes the error state) and V: P → P(S − {error}) (the valuation assigns a set of proper states to every proposition letter in P).

Understand what a value proposition letter is.

Understand that there is a middle ground between cover and proposition letter.

Include a proposition letter when you are conducting a targeted job search.

If such a derivation exists, we say E is derivable from F. Intuitionistic propositional logic IPC is the subtheory which results when the language is restricted to formulas built from proposition letters P, Q, R,… using the propositional connectives &, ∨, → and ¬, and only the propositional postulates are used.

For the concatenation operations of L, one replaces the proposition letters (atomic formulas) by two-place terms, marking beginning and end of a continuous string.

An intermediate propositional logic is any consistent collection of propositional formulas containing all the axioms of IPC and closed under modus ponens and substitution of arbitrary formulas for proposition letters.

"Holding hostage the Social Security benefits of any American, particularly those of the 9 million Americans with disabilities who are at risk in the coming years, is an untenable proposition," the letter said.

Bob Nishiyama, the major crimes task force commander in Mendocino County, said there were places with 500 plants and 20 Proposition 215 letters tacked to a fence.