My guess would be that the word „lying“ implies the intent to claim something untrue, which is hard to prove (not saying this isn’t the case here), opposed to „falsely claiming“ which includes situations where you actually believe what you’re saying even though it’s objectively false.
My guess would be that the word „lying“ implies the intent to claim something untrue, which is hard to prove (not saying this isn’t the case here), opposed to „falsely claiming“ which includes situations where you actually believe what you’re saying even though it’s objectively false.