Do you know the meaning of zf?
Zermelo-Fraenkel set theory, without the axiom of choice.
Word in 2 letters.
This definition of the word ZF is from the Wiktionary, where you can also find the etimology, other senses, synonyms, antonyms and examples.
The word ZF does not have anagrams.
The word ZF spelled backward is fz which is not a word.
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