existential instantiation
Word Rarity
Very rare
Frequency: Zipf frequency 1.99 in modern English
31
Scrabble Score
24
Letters
8
Syllables
9
Unique Chars
Meaning
noun
In predicate logic, an inference rule of the form ∃x P(x) ⊢ P(c), where c is a new symbol (not part of the original domain of discourse, but which can stand for an element of it (as in Skolemization)).