Accounts receivable? On the quotient set of r on set a; [a] a cyclic group generated by element a; I-ring, ideal; Congruence class set of Z/(n) module n; R(R) relation? Reflexive closure of r; S(R) relation? Symmetric closure of r.
Deductive theorem of CP proposition (CP rule); EG existential generalization rule (existential quantifier introduction rule); ES existential quantifier specific rules (existential quantifier elimination rules); UG universal extension rule (universal quantifier introduction rule); American full name specific rules (full name quantifier elimination rules); R relation; R-compatible relation.
Extended data
The invention and use of mathematical symbols are later than numbers, but their number exceeds numbers. There are more than 200 mathematical symbols commonly used in modern mathematics, and each symbol has an interesting experience.
Mathematical symbols? ,? The origin of (O with oblique strokes) is the combination of binary letters "oe" (the sound is similar to crooked). But in modern Danish, Norwegian and Faroese, this letter represents a unique vowel (IPA? [? ]) instead of two letters, hyphens or the number 0.
This letter is equivalent to "?" Turkish, Azerbaijani, Turkmen, Tatar, Finnish, Swedish, Icelandic, German, Estonian and Hungarian. It is also equivalent to "?" Mongolian, Kazakh and Azerbaijani languages using Cyrillic letters. .
In the international phonetic alphabet, [? ] a vowel that indicates that the front round lip is half closed. In English grammar? Also refers to zero articles.