diff --git a/garbage-collection/a-unified-theory-of-garbage-collection b/garbage_collection/a-unified-theory-of-garbage-collection
similarity index 100%
rename from garbage-collection/a-unified-theory-of-garbage-collection
rename to garbage_collection/a-unified-theory-of-garbage-collection
diff --git a/garbage-collection/teaching-garbage-collection-without-implementing-compilers-or-interpreters b/garbage_collection/teaching-garbage-collection-without-implementing-compilers-or-interpreters
similarity index 100%
rename from garbage-collection/teaching-garbage-collection-without-implementing-compilers-or-interpreters
rename to garbage_collection/teaching-garbage-collection-without-implementing-compilers-or-interpreters
diff --git a/new_paradigms/cognitive-computing-programming-paradigm-corelet-language.pdf b/new_paradigms/cognitive-computing-programming-paradigm-corelet-language.pdf
new file mode 100644
index 0000000..0013f77
Binary files /dev/null and b/new_paradigms/cognitive-computing-programming-paradigm-corelet-language.pdf differ