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In my opinion, the ambiguity only exists because you're trying to use non-specific terminology where most people wouldn't in a real life conversation. The ambiguity exists in part because an ambiguous term (parent) is used to begin with.

In conversation, it's possible to be more specific without ending up with a convoluted sentence. For example:

Our mothers are both siblings.

Our fathers are both siblings.

My father and his mother are both siblings.

My mother and his father are both siblings.

In my opinion, the ambiguity only exists because you're trying to use non-specific terminology where most people wouldn't in a real life conversation. The ambiguity exists in part because an ambiguous term (parent) is used to begin with.

In conversation, it's possible to be more specific without ending up with a convoluted sentence. For example:

Our mothers are both siblings.

Our fathers are both siblings.

My father and his mother are both siblings.

My mother and his father are both siblings.

In my opinion, the ambiguity only exists because you're trying to use non-specific terminology where most people wouldn't in a real life conversation. The ambiguity exists in part because an ambiguous term (parent) is used to begin with.

In conversation, it's possible to be more specific without ending up with a convoluted sentence. For example:

Our mothers are siblings.

Our fathers are siblings.

My father and his mother are siblings.

My mother and his father are siblings.

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source | link

In my opinion, the ambiguity only exists because you're trying to use non-specific terminology where most people wouldn't in a real life conversation. The ambiguity exists in part because an ambiguous term (parent) is used to begin with.

In conversation, it's possible to be more specific without ending up with a convoluted sentence. For example:

Our mothers are both siblings.

Our fathers are both siblings.

My father and his mother are both siblings.

My mother and his father are both siblings.