truth and falsehood; fact and fiction
Refers to the mixture or distinction between what is true and what is false, often in narratives, reports, or rumors.
That story is a mix of truth and falsehood, so I don't know how much to believe.
The reporter checked multiple sources to distinguish fact from fiction.
mixture of truth and falsehood; blend of fact and fiction
Compound of 虚 (kyo, 'falsehood, emptiness') and 実 (jitsu, 'truth, reality'). The combination directly yields the meaning of truth and falsehood.