that if the sandalwood is a tetragram the mitogen is navigational is wrong.
sent1: something is not a triskaidekaphobia and it is not enteric if it is a tetragram. sent2: if something is navigational then it is not a kind of a reelection and it is not a giver. sent3: something is a kind of a triskaidekaphobia that is not enteric. sent4: the vichyssoise is not navigational if it is a peeve. sent5: the mitogen is navigational if something that is not a triskaidekaphobia is not enteric.
sent1 -> int1: that if the sandalwood is a kind of the tetragram the sandalwood is not a triskaidekaphobia and not enteric hold.; void -> assump1: Let's assume that the sandalwood is a tetragram.; int1 & assump1 -> int2: the sandalwood is not a triskaidekaphobia and it is not enteric.; int2 -> int3: something is not a kind of a triskaidekaphobia and it is not enteric.; int3 & sent5 -> int4: the mitogen is navigational.; [assump1] & int4 -> hypothesis;
the sandalwood is both not a reelection and not a giver if it is navigational.
sent2 -> hypothesis;
$hypothesis$ = that if the sandalwood is a tetragram the mitogen is navigational is wrong. ; $context$ = sent1: something is not a triskaidekaphobia and it is not enteric if it is a tetragram. sent2: if something is navigational then it is not a kind of a reelection and it is not a giver. sent3: something is a kind of a triskaidekaphobia that is not enteric. sent4: the vichyssoise is not navigational if it is a peeve. sent5: the mitogen is navigational if something that is not a triskaidekaphobia is not enteric. ; $proof$ = 
sent1 -> int1: that if the sandalwood is a kind of the tetragram the sandalwood is not a triskaidekaphobia and not enteric hold.; void -> assump1: Let's assume that the sandalwood is a tetragram.; int1 & assump1 -> int2: the sandalwood is not a triskaidekaphobia and it is not enteric.; int2 -> int3: something is not a kind of a triskaidekaphobia and it is not enteric.; int3 & sent5 -> int4: the mitogen is navigational.; [assump1] & int4 -> hypothesis; __DISPROVED__