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2. Propositional variable - Wikipedia

   en.wikipedia.org/wiki/Propositional_variable

   In mathematical logic, a propositional variable (also called a sentence letter, [1] sentential variable, or sentential letter) is an input variable (that can either be true or false) of a truth function. Propositional variables are the basic building-blocks of propositional formulas, used in propositional logic and higher-order logics.

3. Literal (computer programming) - Wikipedia

   en.wikipedia.org/wiki/Literal_(computer_programming)

   In computer science, a literal is a textual representation (notation) of a value as it is written in source code. [1] [2] Almost all programming languages have notations for atomic values such as integers, floating-point numbers, and strings, and usually for Booleans and characters; some also have notations for elements of enumerated types and compound values such as arrays, records, and objects.

4. Integer literal - Wikipedia

   en.wikipedia.org/wiki/Integer_literal

   In computer science, an integer literal is a kind of literal for an integer whose value is directly represented in source code.For example, in the assignment statement x = 1, the string 1 is an integer literal indicating the value 1, while in the statement x = 0x10 the string 0x10 is an integer literal indicating the value 16, which is represented by 10 in hexadecimal (indicated by the 0x prefix).

5. Consensus theorem - Wikipedia

   en.wikipedia.org/wiki/Consensus_theorem

   For example, the consensus of ¯ and ¯ is ¯. [2] The consensus is undefined if there is more than one opposition. For the conjunctive dual of the rule, the consensus y ∨ z {\displaystyle y\vee z} can be derived from ( x ∨ y ) {\displaystyle (x\vee y)} and ( x ¯ ∨ z ) {\displaystyle ({\bar {x}}\vee z)} through the resolution inference ...

6. String interpolation - Wikipedia

   en.wikipedia.org/wiki/String_interpolation

   Two types of literal expression are usually offered: one with interpolation enabled, the other without. Non-interpolated strings may also escape sequences, in which case they are termed a raw string, though in other cases this is separate, yielding three classes of raw string, non-interpolated (but escaped) string, interpolated (and escaped) string.

7. Literal (mathematical logic) - Wikipedia

   en.wikipedia.org/wiki/Literal_(mathematical_logic)

   In mathematical logic, a literal is an atomic formula (also known as an atom or prime formula) or its negation. [1] [2] The definition mostly appears in proof theory (of classical logic), e.g. in conjunctive normal form and the method of resolution. Literals can be divided into two types: [2] A positive literal is just an atom (e.g., ).