the afforestation occurs.
sent1: if the cohering immobilization happens then the afforestation happens. sent2: the logogrammaticness occurs and the onomasticness happens. sent3: the cohering immobilization occurs if the onomasticness happens. sent4: the immunotherapy occurs if the fact that the logogrammaticness occurs and the onomasticness does not occur does not hold.
sent2 -> int1: the onomasticness occurs.; sent3 & int1 -> int2: the cohering immobilization occurs.; sent1 & int2 -> hypothesis;
the immunotherapy occurs.
$hypothesis$ = the afforestation occurs. ; $context$ = sent1: if the cohering immobilization happens then the afforestation happens. sent2: the logogrammaticness occurs and the onomasticness happens. sent3: the cohering immobilization occurs if the onomasticness happens. sent4: the immunotherapy occurs if the fact that the logogrammaticness occurs and the onomasticness does not occur does not hold. ; $proof$ = 
sent2 -> int1: the onomasticness occurs.; sent3 & int1 -> int2: the cohering immobilization occurs.; sent1 & int2 -> hypothesis; __PROVED__