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Sometimes used for “relation”, also used for denoting various ad hoc relations (for example, for denoting “witnessing” in the context of Rosser's trick). The fish hook is also used as strict implication by C.I.Lewis p {\displaystyle p} ⥽ q ≡ ( p → q ) {\displaystyle q\equiv \Box (p\rightarrow q)} .
If-then-else flow diagram A nested if–then–else flow diagram. In computer science, conditionals (that is, conditional statements, conditional expressions and conditional constructs) are programming language constructs that perform different computations or actions or return different values depending on the value of a Boolean expression, called a condition.
The detailed semantics of "the" ternary operator as well as its syntax differs significantly from language to language. A top level distinction from one language to another is whether the expressions permit side effects (as in most procedural languages) and whether the language provides short-circuit evaluation semantics, whereby only the selected expression is evaluated (most standard ...
In some cases languages provide optional fallthrough. For example, Perl does not fall through by default, but a case may explicitly do so using a continue keyword. This prevents unintentional fallthrough but allows it when desired. Similarly, Bash defaults to not falling through when terminated with ;;, but allows fallthrough [5] with ;& or ...
The test command in Unix evaluates the expression parameter. In most recent shell implementations, it is a shell builtin, even though the external version still exists.In the second form of the command, the [ ] (brackets) must be surrounded by blank spaces (this is because [is a program and POSIX compatible shells require a space between the program name and its arguments).
Arizona authorities say a man who answered a visitor's plea for car help was found dead overnight on Christmas Eve.. Pima County Sheriff's deputies say Paul Clifford was reported missing by his ...
The Federal Trade Commission said there were no task scams in 2020, there were 5,000 in 2023 and then task scams quadrupled by the first half of 2024.
The game starts by either player writing out the title MASH at the top of a piece of paper. Both players contribute to writing a list of categories like where they live, how many kids they have, who they marry, and what their job would be.