diff --git a/.DS_Store b/.DS_Store index e2c7bb2..757e248 100644 Binary files a/.DS_Store and b/.DS_Store differ diff --git a/Function_Programming/Elm, Concurrency, FRP.pdf b/Functional_Programming/Elm, Concurrency, FRP.pdf similarity index 100% rename from Function_Programming/Elm, Concurrency, FRP.pdf rename to Functional_Programming/Elm, Concurrency, FRP.pdf diff --git a/Function_Programming/Liquid Haskell.pdf b/Functional_Programming/Liquid Haskell.pdf similarity index 100% rename from Function_Programming/Liquid Haskell.pdf rename to Functional_Programming/Liquid Haskell.pdf diff --git a/Function_Programming/The Purely Functional Software Deployment Model.pdf b/Functional_Programming/The Purely Functional Software Deployment Model.pdf similarity index 100% rename from Function_Programming/The Purely Functional Software Deployment Model.pdf rename to Functional_Programming/The Purely Functional Software Deployment Model.pdf diff --git a/Function_Programming/Why FP.pdf b/Functional_Programming/Why FP.pdf similarity index 100% rename from Function_Programming/Why FP.pdf rename to Functional_Programming/Why FP.pdf diff --git a/Programming_Language_Theory/Formal Reasoning About Programs.pdf b/Programming_Language_Theory/Formal Reasoning About Programs.pdf new file mode 100644 index 0000000..5b19648 Binary files /dev/null and b/Programming_Language_Theory/Formal Reasoning About Programs.pdf differ