the repudiation occurs and/or the derogation happens.
sent1: the demolition does not occur if that the intercostalness happens is true. sent2: the intercostalness does not occur if that the detoxification and the demolition occurs is not true. sent3: if the grubbing nanotechnology happens the repudiation occurs. sent4: the demolition happens. sent5: the grubbing nanotechnology occurs if the Oxonian does not occur and the detoxification does not occur. sent6: the harassment occurs if either the non-intercostalness or the Oxonian or both happens. sent7: the fact that the grubbing nanotechnology but not the repudiation happens is incorrect if the derogation occurs. sent8: if the exacerbation occurs the nonpsychoactiveness happens. sent9: the demolition does not occur if either the Oxonianness or the intercostal or both happens.
void -> assump1: Let's assume that the Oxonianness happens.; assump1 -> int1: the Oxonianness and/or the intercostalness happens.; int1 & sent9 -> int2: the demolition does not occur.; int2 & sent4 -> int3: this is contradiction.; [assump1] & int3 -> int4: the Oxonianness does not occur.;
the fact that the repudiation or the derogation or both happens is not true.
 -> hypothesis;
$hypothesis$ = the repudiation occurs and/or the derogation happens. ; $context$ = sent1: the demolition does not occur if that the intercostalness happens is true. sent2: the intercostalness does not occur if that the detoxification and the demolition occurs is not true. sent3: if the grubbing nanotechnology happens the repudiation occurs. sent4: the demolition happens. sent5: the grubbing nanotechnology occurs if the Oxonian does not occur and the detoxification does not occur. sent6: the harassment occurs if either the non-intercostalness or the Oxonian or both happens. sent7: the fact that the grubbing nanotechnology but not the repudiation happens is incorrect if the derogation occurs. sent8: if the exacerbation occurs the nonpsychoactiveness happens. sent9: the demolition does not occur if either the Oxonianness or the intercostal or both happens. ; $proof$ = 
void -> assump1: Let's assume that the Oxonianness happens.; assump1 -> int1: the Oxonianness and/or the intercostalness happens.; int1 & sent9 -> int2: the demolition does not occur.; int2 & sent4 -> int3: this is contradiction.; [assump1] & int3 -> int4: the Oxonianness does not occur.; __UNKNOWN__