1
Core condition
Regardless of which of two possibilities is true.
Example
The records must be preserved whether or not the claim is confirmed.
whether or not
/ˈweðər ɔː nɒt/ · WETH-ur or notcondition phrase
Regardless of which of two possibilities is true.
Use whether or not to express this relationship precisely: regardless of which of two possibilities is true.
What whether or not Really Means
The word becomes easier to use when its closely related senses are separated and compared.
2
Clause-level frame
Use this expression in its normal grammatical frame so the relationship between the surrounding ideas remains explicit.
Example
Whether or not funding continues, the current trial will be completed.
3
Limit on the claim
It tells the reader how to interpret the timing, scope, evidence, contrast, condition, or consequence in the statement.
Example
The pattern matters whether or not the surviving sample is complete.
Use whether or not Naturally
Notice how the surrounding noun or clause reveals the exact shade of meaning.
The records must be preserved whether or not the claim is confirmed.
Whether or not funding continues, the current trial will be completed.
The pattern matters whether or not the surviving sample is complete.
Precision Matters
Whether or not overlaps with several common words, but each carries a different emphasis.
whether or not
vs.Means regardless of which of two possibilities is true.
irrespective of
Means without being affected or determined by the factor named.
whether or not
vs.Means regardless of which of two possibilities is true.
unless otherwise
Means except if a different condition, instruction, or result is stated.
whether or not
vs.Means regardless of which of two possibilities is true.
provided that
Means state a condition that must be satisfied for the main claim or action to apply.
whether or not
vs.Means regardless of which of two possibilities is true.
in the event that
Means introduce a possible future condition and what should happen if it occurs.
Test whether or not in Context
The applicant's place of residence does not change whether the rule applies.
1
The rule applies ___ the applicant lives in the city.