that the tisane is not a Tanacetum is not false.
sent1: the tisane is not a kind of a Tanacetum but it sags biophysicist if that the biophysicist does not sags biophysicist hold. sent2: the biophysicist is not a Lithospermum. sent3: something is not Muscovite but it is egoistic if it is not a Lithospermum. sent4: if the biophysicist is non-Muscovite and is egoistic that it does not sag biophysicist is not false.
sent3 -> int1: the biophysicist is not a Muscovite but it is egoistic if it is not a Lithospermum.; int1 & sent2 -> int2: the biophysicist is both not Muscovite and egoistic.; int2 & sent4 -> int3: the biophysicist does not sag biophysicist.; int3 & sent1 -> int4: the tisane is not a kind of a Tanacetum and does sag biophysicist.; int4 -> hypothesis;
$hypothesis$ = that the tisane is not a Tanacetum is not false. ; $context$ = sent1: the tisane is not a kind of a Tanacetum but it sags biophysicist if that the biophysicist does not sags biophysicist hold. sent2: the biophysicist is not a Lithospermum. sent3: something is not Muscovite but it is egoistic if it is not a Lithospermum. sent4: if the biophysicist is non-Muscovite and is egoistic that it does not sag biophysicist is not false. ; $proof$ = 
sent3 -> int1: the biophysicist is not a Muscovite but it is egoistic if it is not a Lithospermum.; int1 & sent2 -> int2: the biophysicist is both not Muscovite and egoistic.; int2 & sent4 -> int3: the biophysicist does not sag biophysicist.; int3 & sent1 -> int4: the tisane is not a kind of a Tanacetum and does sag biophysicist.; int4 -> hypothesis; __PROVED__