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 • 675 views

to check whether

This phrase is correct and commonly used in English.

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

to check whether or not

This phrase is correct but less commonly used in English.

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

What Our Customers Are Saying

Our customers love us! We have an average rating of 4.79 stars based on 283,125 votes.
Also check out our 2,100+ reviews on TrustPilot (4.9).

"Thank you!"
Sachi Nakama July 2024
"I have literally been through chat, PI, claude, bard and bing and I got conflicting answers! Thank you! Human intelligence reigns!"
Retha July 2024
"Faster than AI"
CYNTHIA December 2023
"This was very helpful and I personally think this site is the best."
Kaden October 2023
"It was extremely thorough and very helpful!"
imperialelisa October 2023
"7 years without any disappointment. Always 100% satisfied. You guys are the best in the world at what you do. Thank you so much :)"
Zubair Alam October 2023
"In a world of text messages and online communication, this is great to have as a live tool. Thank you."
Selena October 2023
"Without textranch I would be stuck!"
宏祐 October 2023
"Accuracy and fast response. Personal comments from editor. Thank you."
Clh September 2023
"I wasn't aware of this service, it's fascinating and more reliable than standard IA tools available on the internet"
Arturo September 2023
"The fact that you can get reliable fast feedback on your texts."
Vinicius Antonio August 2023
"you guys are better than grammarly i'm being honest here"
ordinary July 2023
"OMG! This is really good than any other text correction tools I've used so far. Highly recommend this."
Vehan July 2023
"Very fast and accurate. thank you."
mojtaba July 2023
"I love this app because it's help to writing skills all of students ♥️"
Tarisini July 2023
"This was exactly the mistake I was looking for, the wording dind´t sound right at first. Better than grammarly!"
Ente July 2023
"The immediate help that I received was reassuring and very satisfactory. Thanks."
priiiyanshuu July 2023
"this helps A LOT for my studies."
kathnunez02 June 2023
"Woow!! I would never have expected such precision! Thank you soooo much!!"
Berta June 2023
"Real Time Editor and not AI. Many Thanks."
Priya June 2023
"The very first thing excites me about Textranch is how much your editors care."
sepideh June 2023
"The fact that texts are checked by human editors rather than by AI, etc. I appreciate this!"
Анна June 2023
"Feel welcome, immediate response, high quality feedback"
martin.roy June 2023
"This is the best app that I have ever seen"
Burulai May 2023

to check whether vs to check whether or not

to check whether

to check whether or not

Related Comparisons

What Our Customers Are Saying