if the procrastination happens then that the blocking prurigo does not occur but the aerobicsness happens is not true.
sent1: the procrastination does not occur if the blocking prurigo does not occur and the aerobicsness happens.
void -> assump2: Let's assume that the blocking prurigo does not occur but the aerobicsness occurs.; sent1 & assump2 -> int1: the procrastination does not occur.; void -> assump1: Let's assume that the procrastination occurs.; int1 & assump1 -> int2: this is contradiction.; [assump2] & int2 -> int3: the fact that the blocking prurigo does not occur but the aerobicsness happens does not hold.; [assump1] & int3 -> hypothesis;
$hypothesis$ = if the procrastination happens then that the blocking prurigo does not occur but the aerobicsness happens is not true. ; $context$ = sent1: the procrastination does not occur if the blocking prurigo does not occur and the aerobicsness happens. ; $proof$ = 
void -> assump2: Let's assume that the blocking prurigo does not occur but the aerobicsness occurs.; sent1 & assump2 -> int1: the procrastination does not occur.; void -> assump1: Let's assume that the procrastination occurs.; int1 & assump1 -> int2: this is contradiction.; [assump2] & int2 -> int3: the fact that the blocking prurigo does not occur but the aerobicsness happens does not hold.; [assump1] & int3 -> hypothesis; __PROVED__