the fact that the German does criticize Haeckel or does ligate or both is false.
sent1: if something is not equine that the German does criticize Haeckel and/or it ligates is incorrect. sent2: the presentist is not a kind of an equine.
sent2 -> int1: something is not an equine.; int1 & sent1 -> hypothesis;
$hypothesis$ = the fact that the German does criticize Haeckel or does ligate or both is false. ; $context$ = sent1: if something is not equine that the German does criticize Haeckel and/or it ligates is incorrect. sent2: the presentist is not a kind of an equine. ; $proof$ = 
sent2 -> int1: something is not an equine.; int1 & sent1 -> hypothesis; __PROVED__