Study Bava Kamma folio 56A with parallel Hebrew-English text, traditional commentary, and modern study tools. Free access to Babylonian Talmud online.
the baraita is speaking of an unstable wall that was about to fall and break in any event, and so his action did not actually cause any loss to the owner.
The Master says: With regard to the case mentioned in the baraita of one who bends another’s standing grain before a fire, what are the circumstances? If we say that the baraita is referring to a case where the fire would reach the bent grain in a typical wind, let him also be liable for the damage
And Rav Ashi offered an alternative explanation and said: The baraita was stated in the case of a concealed item; in other words, this person did not bend the grain toward the fire but bent it over another item in order to conceal it. One is not liable to pay restitution for concealed items damaged
The Master says: With regard to the case mentioned in the baraita of one who hires false witnesses, what are the circumstances? If we say that he hired them for his own benefit, in order to extract payment from another, he is required to reimburse that person with money, and he is liable according
The baraita teaches: And one who knows testimony in support of another but does not testify on his behalf is exempt from liability according to human laws but liable according to the laws of Heaven. With what circumstances are we dealing? If we say that the case involves two people who could testify