that the machilid is unsanitary but not non-synonymous is not correct.
sent1: there is nothing that is not a kind of a decumary and/or is a national. sent2: that the machilid is non-synonymous thing that is not a paroxetime is not correct. sent3: if the fact that something is not synonymous and is not a paroxetime is false it is synonymous. sent4: if that the ortygan either is not a kind of a decumary or is a national or both is not right the machilid is unsanitary.
sent1 -> int1: that either the ortygan is not a decumary or it is a kind of a national or both does not hold.; int1 & sent4 -> int2: the machilid is unsanitary.; sent3 -> int3: if the fact that the machilid is not synonymous and it is not a paroxetime does not hold then it is synonymous.; int3 & sent2 -> int4: the machilid is synonymous.; int2 & int4 -> hypothesis;
$hypothesis$ = that the machilid is unsanitary but not non-synonymous is not correct. ; $context$ = sent1: there is nothing that is not a kind of a decumary and/or is a national. sent2: that the machilid is non-synonymous thing that is not a paroxetime is not correct. sent3: if the fact that something is not synonymous and is not a paroxetime is false it is synonymous. sent4: if that the ortygan either is not a kind of a decumary or is a national or both is not right the machilid is unsanitary. ; $proof$ = 
sent1 -> int1: that either the ortygan is not a decumary or it is a kind of a national or both does not hold.; int1 & sent4 -> int2: the machilid is unsanitary.; sent3 -> int3: if the fact that the machilid is not synonymous and it is not a paroxetime does not hold then it is synonymous.; int3 & sent2 -> int4: the machilid is synonymous.; int2 & int4 -> hypothesis; __DISPROVED__