simple substitution
[/ˈsɪmpəl səbˌstɪˈtuːʃən/]
nounpl: simple substitutions
substituição simples
1. A cryptographic technique where each letter in the plaintext is replaced by another letter in a one-to-one correspondence
The Caesar cipher is the most famous example of a simple substitution cipher.
A cifra de César é o exemplo mais famoso de uma cifra de substituição simples.
2. In general contexts, the act of replacing one thing with another in a straightforward manner without complexity
The simple substitution of one ingredient for another can change the recipe significantly.
A substituição simples de um ingrediente por outro pode alterar significativamente a receita.
3. In mathematics or algebra, replacing a variable with a specific value or expression
Simple substitution in the equation allows us to solve for x.
A substituição simples na equação nos permite resolver para x.
The term 'simple substitution' is primarily used in cryptography, mathematics, and educational settings in both Brazilian and American English. It gained prominence during World War II cryptography studies and remains important in teaching basic encryption concepts. In Brazil, this terminology is standard in computer science and mathematics curricula.
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