Correcting this sentence:

• A bicycle (any circular object is valid in its absence)

It seems more natural to me to say...

• A bicycle (any circular object is valid in one's absence)

... yet I can't find the rule. I'm guessing it's because the lack of a bicycle means is not a concrete noun.

Correcting homework:

• A bicycle (any circular object is valid in its absence)

It seems more natural to me to say...

• A bicycle (any circular object is valid in one's absence)

... yet I can't find the rule. I'm guessing it's because the lack of a bicycle means is not a concrete noun.

Correcting this sentence:

• A bicycle (any other circular object is valid in its absence)

It seems more natural to me to say...

• A bicycle (any other circular object is valid in one's absence)

... yet I can't find the rule. I'm guessing it's because the lack of a bicycle means is not a concrete noun.

Correcting this sentence:

• A bicycle (any circular object is valid in its absence)

It seems more natural to me to say...

• A bicycle (any circular object is valid in one's absence)

... yet I can't find the rule. I'm guessing it's because the lack of a bicycle means is not a concrete noun.

Correcting this sentence:

• A wheel (any other circular object is valid in its absence)

It seems more natural to me to say...

• A wheel (any other circular object is valid in one's absence)

... yet I can't find the rule. I'm guessing it's because the lack of a wheel means we only have a hypothetical referent.

Correcting this sentence:

• A bicycle (any other circular object is valid in its absence)

It seems more natural to me to say...

• A bicycle (any other circular object is valid in one's absence)

... yet I can't find the rule. I'm guessing it's because the lack of a bicycle means is not a concrete noun.