to check whether vs to check whether or not

Both phrases are correct, but "to check whether" is more concise and commonly used. Adding "or not" is redundant and unnecessary in this context.

Last updated: March 19, 2024 • 828 views

This phrase is correct and commonly used in English.

"to check whether "

This phrase is used to introduce a clause that states a condition or possibility that is being investigated or verified.

Examples:

I need to check whether the store is open before I go there.
She will check whether the assignment is due tomorrow.
We should check whether the information is accurate.
He wants to check whether the package has arrived.
Can you check whether the meeting is still scheduled for tomorrow?

Show examples from the web [+]
Last updated: October 30, 2024

\[INS-30014] Unable to check whether the location specified is on CFS · Ask Question. Asked 4 years, 3 months ago. Modified 1 year, 8 months ago.
how to check whether a variable varies over time for each individual in a panel data. 02 Sep 2020, 20:42. Dear Statalist, I have a balanced panel data with ...
How to check whether a string contains a substring in JavaScript? Ask Question. Asked 14 years, 11 months ago. Modified 2 years ago. Viewed 8.2m times.
Oct 16, 2023 ... Error: Failed to find valid gateway server for non-scheduled repository Backup Repository 2: [JKTVEEAM02] Failed to check whether file or folder ...
Jun 11, 2024 ... How to check whether a WiFi connection really has internet access? Help. Update: This method from this reply works (remember using it ...
Nov 9, 2021 ... How to check whether current time is between time X and time Y? Need help Database · renzetc November 9, 2021, 11:09am 1. Hey all,. For the past ...
Feb 24, 2020 ... Hi, We are developing a Jira Cloud app and need to check whether the given user is admin for some of our REST endpoints.
How to check whether a duplicated page is created or not · Elam_Jaybal April 26, 2022, 1:46pm 1. Hi All,. I am using duplicatePage formula to copy page to ...
I'd like to ask is whether there is a method to query VirtualCenter to check whether the VM hostname exists, prior to issuing get-vm command.
Jul 19, 2012 ... What is the simplest scriptable way to check whether a shell variable is exported? ... For some shell sessions I want to be able to print a ...

Alternatives:

to determine if
to verify whether
to ascertain whether
to confirm if
to establish if

This phrase is correct but less commonly used in English.

"to check whether or not "

This phrase is also used to introduce a clause that states a condition or possibility that is being investigated or verified, but it includes an unnecessary redundancy with "or not."

Examples:

I need to check whether or not the store is open before I go there.
She will check whether or not the assignment is due tomorrow.
We should check whether or not the information is accurate.
He wants to check whether or not the package has arrived.
Can you check whether or not the meeting is still scheduled for tomorrow?

Show examples from the web [+]

What is a good algorithm to check whether or not a number exist in multiple sets without searching them all? No problem. We won't show you ...
How to check whether or not a dynamic property exists. No problem. We won't show you that ad again. Why didn't you like it? Uninteresting
In this article, we'll tell you how to check whether or not your Android device has root access. What is root access? The Android operating system is based off of ...
Let's pretend that you're writing a Ruby program of your own and you want to check whether or not a file exists. If you look through this Ruby documentation, you ...

Alternatives:

to determine if
to verify whether
to ascertain whether
to confirm if
to establish if

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to check whether vs to check whether or not

"to check whether "

"to check whether or not "

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