Robert Blair e44710e106 update image file path %!s(int64=3) %!d(string=hai) anos
..
.ipynb_checkpoints 76f47abfe2 updated version of textbook %!s(int64=3) %!d(string=hai) anos
establishing-causality.md e44710e106 update image file path %!s(int64=3) %!d(string=hai) anos