alefe
1. The first letter of the Hebrew alphabet, used in mathematics and linguistics
The aleph is the first letter of the Hebrew alphabet and is often used in mathematical set theory.
O alefe é a primeira letra do alfabeto hebraico e é frequentemente usado na teoria dos conjuntos matemáticos.
2. In mathematics, aleph-null represents the cardinality of countably infinite sets
Mathematicians use aleph-null to describe the infinity of natural numbers.
Os matemáticos usam alefe-zero para descrever o infinito dos números naturais.
3. A symbol (א) representing this letter
The symbol for aleph appears in many mathematical equations.
O símbolo do alefe aparece em muitas equações matemáticas.
Aleph is primarily used in academic, mathematical, and religious contexts. In Brazil and Portugal, it appears in mathematics curricula when discussing infinite sets and in religious studies when discussing Hebrew language and Jewish tradition. The term is more common in academic settings than in everyday conversation.
Related Idioms & Phrases
aleph-null (ℵ₀) - countably infinite in mathematics
aleph-one (ℵ₁) - the cardinality of uncountable infinite sets
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