alleryIn set theory, the × sign denotes which operation?
AUnion of sets
BCommon part of sets
CCartesian product
DSize of a set
Answer & Solution
Correct answer: C. Cartesian product
1. In set theory and category theory, × denotes the Cartesian product.
2. Union and intersection use the symbols ∪ and ∩.
3. Complement uses a different sign again.
_Source: Wikipedia, Glossary of mathematical symbols, Arithmetic operators_
Keep practising Language of Mathematics
Browse all Language of Mathematics questions for CTET, or explore more Mathematics Pedagogy topics.
Related questions
In the context of limits, "eventually" means what?What does the phrase "almost all" often shorten?A "well-behaved" object in mathematics does what?What does rigor mean when establishing a mathematical result?An object that disobeys mathematical intuition is called what?What is a "folklore" result in mathematics?In number theory, an "elementary proof" usually avoids what?When is a result called "deep" by mathematicians?