Confused with sufficient and necessary condition

Thread starter annoymage
Start date Sep 19, 2010
Tags

Condition Confused

In summary, a sufficient condition guarantees the outcome or result, while a necessary condition is required for the outcome to occur but does not guarantee it. A condition can be both sufficient and necessary, or it can be either one without being the other. To determine if a condition is sufficient, you need to ask if it is enough to guarantee the outcome. To determine if a condition is necessary, you need to ask if it is required for the outcome to occur.

Sep 19, 2010

annoymage

Homework Statement

i know that "A is necessary for B" means "B implies A".

but i confused with the word "A is necessary of B" somebody help

Physics news on Phys.org

Sep 19, 2010

Mark44

Mentor

Insights Author

annoymage said:

Homework Statement

i know that "A is necessary for B" means "B implies A".

but i confused with the word "A is necessary of B" somebody help

Take a look here.

FAQ: Confused with sufficient and necessary condition

What is the difference between a sufficient and necessary condition?

A sufficient condition is one that, if it is met, will guarantee the outcome or result. A necessary condition is one that must be met in order for the outcome or result to occur, but it alone is not enough to guarantee it.

Can a condition be both sufficient and necessary?

Yes, a condition can be both sufficient and necessary. This means that if the condition is met, it will guarantee the outcome, and if the outcome occurs, it is because the condition was met.

How do I determine if a condition is sufficient or necessary?

To determine if a condition is sufficient, you need to ask if it is enough or adequate to guarantee the outcome. To determine if a condition is necessary, you need to ask if it is essential or required for the outcome to occur.

Can a condition be necessary but not sufficient?

Yes, a condition can be necessary but not sufficient. This means that the condition is required for the outcome to occur, but alone it is not enough to guarantee the outcome.

Can a condition be sufficient but not necessary?

Yes, a condition can be sufficient but not necessary. This means that the condition is enough to guarantee the outcome, but it is not essential or required for the outcome to occur.