v1.1.5

fixing lingua explantion for queries but getting a 'Subject is not a …

v1.1.4

doing labelvars during output

v1.1.3

fixing literal as subject

v1.1.2

extending lingua explanation

v1.1.1

fixing lingua explanation

v1.1.0

adding lingua explanation

v1.0.7

using lingua:hornb to describe backward rules

v1.0.6

using lingua:if to describe backward rules

v1.0.5

using lingua:backimplication to describe backward rules

v1.0.4

using lingua:if to describe backward rules