the rook is not a ruined but it is a Pepsi if the Jihadist does revise rook.
sent1: if something is not skinless it is not a ruined and it is a kind of a Pepsi. sent2: if there is something such that it is a kind of a lividity and revises rook the rook is not skinless. sent3: the Jihadist does not revise root but it is a lividity.
sent3 -> int1: the Jihadist is a lividity.; void -> assump1: Let's assume that the Jihadist revises rook.; int1 & assump1 -> int2: the Jihadist is a lividity and it revises rook.; int2 -> int3: there exists something such that it is a lividity and does revise rook.; int3 & sent2 -> int4: the rook is not skinless.; sent1 -> int5: the rook does not ruin but it is a Pepsi if it is not skinless.; int4 & int5 -> int6: the rook is not a ruined and is a Pepsi.; [assump1] & int6 -> hypothesis;
$hypothesis$ = the rook is not a ruined but it is a Pepsi if the Jihadist does revise rook. ; $context$ = sent1: if something is not skinless it is not a ruined and it is a kind of a Pepsi. sent2: if there is something such that it is a kind of a lividity and revises rook the rook is not skinless. sent3: the Jihadist does not revise root but it is a lividity. ; $proof$ = 
sent3 -> int1: the Jihadist is a lividity.; void -> assump1: Let's assume that the Jihadist revises rook.; int1 & assump1 -> int2: the Jihadist is a lividity and it revises rook.; int2 -> int3: there exists something such that it is a lividity and does revise rook.; int3 & sent2 -> int4: the rook is not skinless.; sent1 -> int5: the rook does not ruin but it is a Pepsi if it is not skinless.; int4 & int5 -> int6: the rook is not a ruined and is a Pepsi.; [assump1] & int6 -> hypothesis; __PROVED__