Patrick Lühne
7566fdaa29
For convenience, support biconditionals with more than one argument. An n-ary “if and only if” statement F_1 <-> F_2 <-> ... <-> F_n is to be interpreted as F_1 <-> F_2 and F2 <-> F3 and ... and F_(n - 1) <-> F_n |
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README.md |
foliage
First-order logic with integer arithmetics in Rust
This Rust crate provides an abstract syntax tree for first-order formulas with integer arithmetics.
Supported Formulas
- Booleans values (
true
andfalse
) - predicates
- negated formulas
- comparisons of terms (<, ≤, >, ≥, =, ≠)
- implications and biconditionals
- conjunctions and disjunctions of formulas
- existentially and universally quantified formulas
Supported Terms
- Boolean values (
true
andfalse
) - integers
- strings
- special integers (infimum and supremum)
- symbolic functions
- variables
- binary operations (addition, subtraction, multiplication, division, modulo, exponentiation)
- unary operations (absolute value, numeric negation)