that either the elver is a kind of a strafe or it does dote or both is incorrect.
sent1: the elver is a strafe if the fact that the piezometer is catechistic is right. sent2: the decoder is catechistic. sent3: the piezometer is catechistic.
sent1 & sent3 -> int1: the elver strafes.; int1 -> hypothesis;
$hypothesis$ = that either the elver is a kind of a strafe or it does dote or both is incorrect. ; $context$ = sent1: the elver is a strafe if the fact that the piezometer is catechistic is right. sent2: the decoder is catechistic. sent3: the piezometer is catechistic. ; $proof$ = 
sent1 & sent3 -> int1: the elver strafes.; int1 -> hypothesis; __DISPROVED__