On the other hand, "Konjaku" simply states that somebody secretly informs Yoriyoshi of Nagahira's betrayal and, other than saying that his helmet is different from those of others, gives absolutely no other evidence.
一方、『今昔』ではある人が頼義に永衡の裏切りを密告するだけで、兜がほかと違う、という以外は一切の証拠はあげられていない。