diff --git a/pdf/Algorithmic_complexity.pdf b/pdf/Algorithmic_complexity.pdf index 50f29aa..881bb67 100644 Binary files a/pdf/Algorithmic_complexity.pdf and b/pdf/Algorithmic_complexity.pdf differ diff --git a/pdf/Arrays.pdf b/pdf/Arrays.pdf index 189aaed..73f7f3a 100644 Binary files a/pdf/Arrays.pdf and b/pdf/Arrays.pdf differ diff --git a/pdf/Assembly_programs.pdf b/pdf/Assembly_programs.pdf index 8d08917..c016779 100644 Binary files a/pdf/Assembly_programs.pdf and b/pdf/Assembly_programs.pdf differ diff --git a/pdf/Atomic_and_molecular_sentences.pdf b/pdf/Atomic_and_molecular_sentences.pdf index 66ebe18..53f41cc 100644 Binary files a/pdf/Atomic_and_molecular_sentences.pdf and b/pdf/Atomic_and_molecular_sentences.pdf differ diff --git a/pdf/Axioms_of_set_theory.pdf b/pdf/Axioms_of_set_theory.pdf index 3fb7602..9444462 100644 Binary files a/pdf/Axioms_of_set_theory.pdf and b/pdf/Axioms_of_set_theory.pdf differ diff --git a/pdf/Basic_database_concepts.pdf b/pdf/Basic_database_concepts.pdf index d4ff4f4..a9ed774 100644 Binary files a/pdf/Basic_database_concepts.pdf and b/pdf/Basic_database_concepts.pdf differ diff --git a/pdf/Basic_properties_of_sets.pdf b/pdf/Basic_properties_of_sets.pdf index 4c434bf..9f10f0c 100644 Binary files a/pdf/Basic_properties_of_sets.pdf and b/pdf/Basic_properties_of_sets.pdf differ diff --git a/pdf/Biconditional_Elimination.pdf b/pdf/Biconditional_Elimination.pdf index 084a371..1701e7d 100644 Binary files a/pdf/Biconditional_Elimination.pdf and b/pdf/Biconditional_Elimination.pdf differ diff --git a/pdf/Biconditional_Introduction.pdf b/pdf/Biconditional_Introduction.pdf index 4e3e279..8eb39e8 100644 Binary files a/pdf/Biconditional_Introduction.pdf and b/pdf/Biconditional_Introduction.pdf differ diff --git a/pdf/Binary_arithmetic.pdf b/pdf/Binary_arithmetic.pdf index 348d4b1..57aa995 100644 Binary files a/pdf/Binary_arithmetic.pdf and b/pdf/Binary_arithmetic.pdf differ diff --git a/pdf/Binary_arithmetic_with_circuits.pdf b/pdf/Binary_arithmetic_with_circuits.pdf index 41fc677..081493c 100644 Binary files a/pdf/Binary_arithmetic_with_circuits.pdf and b/pdf/Binary_arithmetic_with_circuits.pdf differ diff --git a/pdf/Bits,_bytes,_nibbles.pdf b/pdf/Bits,_bytes,_nibbles.pdf index 13e1a42..ea8fa6d 100644 Binary files a/pdf/Bits,_bytes,_nibbles.pdf and b/pdf/Bits,_bytes,_nibbles.pdf differ diff --git a/pdf/Compile_from_source.pdf b/pdf/Compile_from_source.pdf index 6f0a4a5..5b73621 100644 Binary files a/pdf/Compile_from_source.pdf and b/pdf/Compile_from_source.pdf differ diff --git a/pdf/Conditional_Elimination.pdf b/pdf/Conditional_Elimination.pdf index 4ab03e7..38abc06 100644 Binary files a/pdf/Conditional_Elimination.pdf and b/pdf/Conditional_Elimination.pdf differ diff --git a/pdf/Conditional_Introduction.pdf b/pdf/Conditional_Introduction.pdf index 8f196dd..55c2713 100644 Binary files a/pdf/Conditional_Introduction.pdf and b/pdf/Conditional_Introduction.pdf differ diff --git a/pdf/Conjunction_Elimination.pdf b/pdf/Conjunction_Elimination.pdf index 1d48535..4eddbf8 100644 Binary files a/pdf/Conjunction_Elimination.pdf and b/pdf/Conjunction_Elimination.pdf differ diff --git a/pdf/Conjunction_Introduction.pdf b/pdf/Conjunction_Introduction.pdf index c1d6d48..e419411 100644 Binary files a/pdf/Conjunction_Introduction.pdf and b/pdf/Conjunction_Introduction.pdf differ diff --git a/pdf/Defining_a_computer.pdf b/pdf/Defining_a_computer.pdf index bd07cf2..2b6bdb2 100644 Binary files a/pdf/Defining_a_computer.pdf and b/pdf/Defining_a_computer.pdf differ diff --git a/pdf/Design_features_of_language.pdf b/pdf/Design_features_of_language.pdf index 1583e9a..0b069b1 100644 Binary files a/pdf/Design_features_of_language.pdf and b/pdf/Design_features_of_language.pdf differ diff --git a/pdf/Disjunction_Elimination.pdf b/pdf/Disjunction_Elimination.pdf index aeeeec9..f4a53a9 100644 Binary files a/pdf/Disjunction_Elimination.pdf and b/pdf/Disjunction_Elimination.pdf differ diff --git a/pdf/Disjunction_Introduction.pdf b/pdf/Disjunction_Introduction.pdf index 7c3b8cd..71ea830 100644 Binary files a/pdf/Disjunction_Introduction.pdf and b/pdf/Disjunction_Introduction.pdf differ diff --git a/pdf/HTTP_request_types.pdf b/pdf/HTTP_request_types.pdf index 8ccadff..250dd63 100644 Binary files a/pdf/HTTP_request_types.pdf and b/pdf/HTTP_request_types.pdf differ diff --git a/pdf/Indeterminacy.pdf b/pdf/Indeterminacy.pdf index 497c6ff..606a2bc 100644 Binary files a/pdf/Indeterminacy.pdf and b/pdf/Indeterminacy.pdf differ diff --git a/pdf/Law_of_the_Excluded_Middle.pdf b/pdf/Law_of_the_Excluded_Middle.pdf index a193c13..3011b3a 100644 Binary files a/pdf/Law_of_the_Excluded_Middle.pdf and b/pdf/Law_of_the_Excluded_Middle.pdf differ diff --git a/pdf/Logic_circuits.pdf b/pdf/Logic_circuits.pdf index 818bf9e..7ad00ba 100644 Binary files a/pdf/Logic_circuits.pdf and b/pdf/Logic_circuits.pdf differ diff --git a/pdf/Logic_gates.pdf b/pdf/Logic_gates.pdf index 0f6eb6a..d435f1f 100644 Binary files a/pdf/Logic_gates.pdf and b/pdf/Logic_gates.pdf differ diff --git a/pdf/Logical_possibility_and_necessity.pdf b/pdf/Logical_possibility_and_necessity.pdf index e448f6a..b0c762b 100644 Binary files a/pdf/Logical_possibility_and_necessity.pdf and b/pdf/Logical_possibility_and_necessity.pdf differ diff --git a/pdf/Lovelace_quote.pdf b/pdf/Lovelace_quote.pdf index 48f8bfd..28c8a77 100644 Binary files a/pdf/Lovelace_quote.pdf and b/pdf/Lovelace_quote.pdf differ diff --git a/pdf/Morphology.pdf b/pdf/Morphology.pdf index fefe56a..4d19684 100644 Binary files a/pdf/Morphology.pdf and b/pdf/Morphology.pdf differ diff --git a/pdf/Negation_Elimination.pdf b/pdf/Negation_Elimination.pdf index 3b4f8a2..d94f4dc 100644 Binary files a/pdf/Negation_Elimination.pdf and b/pdf/Negation_Elimination.pdf differ diff --git a/pdf/Negation_Introduction.pdf b/pdf/Negation_Introduction.pdf index 372d8e4..e4f0d32 100644 Binary files a/pdf/Negation_Introduction.pdf and b/pdf/Negation_Introduction.pdf differ diff --git a/pdf/Object_language_and_meta-language.pdf b/pdf/Object_language_and_meta-language.pdf index 8c325d0..8be3f76 100644 Binary files a/pdf/Object_language_and_meta-language.pdf and b/pdf/Object_language_and_meta-language.pdf differ diff --git a/pdf/Package_management_in_Arch.pdf b/pdf/Package_management_in_Arch.pdf index 9becbd2..d8555e7 100644 Binary files a/pdf/Package_management_in_Arch.pdf and b/pdf/Package_management_in_Arch.pdf differ diff --git a/pdf/Primary_key.pdf b/pdf/Primary_key.pdf index 135a5b1..71cf5d5 100644 Binary files a/pdf/Primary_key.pdf and b/pdf/Primary_key.pdf differ diff --git a/pdf/Queue.pdf b/pdf/Queue.pdf index 53b180e..6ecc4ed 100644 Binary files a/pdf/Queue.pdf and b/pdf/Queue.pdf differ diff --git a/pdf/RESTful_APIs.pdf b/pdf/RESTful_APIs.pdf index f999997..56fcfe7 100644 Binary files a/pdf/RESTful_APIs.pdf and b/pdf/RESTful_APIs.pdf differ diff --git a/pdf/Recursion.pdf b/pdf/Recursion.pdf index ead44ca..2514198 100644 Binary files a/pdf/Recursion.pdf and b/pdf/Recursion.pdf differ diff --git a/pdf/Reiteration.pdf b/pdf/Reiteration.pdf index 5c8ce6c..a5122e9 100644 Binary files a/pdf/Reiteration.pdf and b/pdf/Reiteration.pdf differ diff --git a/pdf/SQL_syntax.pdf b/pdf/SQL_syntax.pdf index 9fa9b13..8fe841d 100644 Binary files a/pdf/SQL_syntax.pdf and b/pdf/SQL_syntax.pdf differ diff --git a/pdf/Semantic_versioning.pdf b/pdf/Semantic_versioning.pdf index 7e39d77..3cce047 100644 Binary files a/pdf/Semantic_versioning.pdf and b/pdf/Semantic_versioning.pdf differ diff --git a/pdf/Soundness.pdf b/pdf/Soundness.pdf index e3a1272..99d0b06 100644 Binary files a/pdf/Soundness.pdf and b/pdf/Soundness.pdf differ diff --git a/pdf/Stacks.pdf b/pdf/Stacks.pdf index d11dec0..df45458 100644 Binary files a/pdf/Stacks.pdf and b/pdf/Stacks.pdf differ diff --git a/pdf/Syllogism.pdf b/pdf/Syllogism.pdf index 2c76b99..8f0d825 100644 Binary files a/pdf/Syllogism.pdf and b/pdf/Syllogism.pdf differ diff --git a/pdf/The_Pragmatic_Programmer_1999.pdf b/pdf/The_Pragmatic_Programmer_1999.pdf index b2755a3..8c9ea0c 100644 Binary files a/pdf/The_Pragmatic_Programmer_1999.pdf and b/pdf/The_Pragmatic_Programmer_1999.pdf differ diff --git a/pdf/The_binary_number_system.pdf b/pdf/The_binary_number_system.pdf index 7c34194..2f041a0 100644 Binary files a/pdf/The_binary_number_system.pdf and b/pdf/The_binary_number_system.pdf differ diff --git a/pdf/Theorems_and_empty_sets.pdf b/pdf/Theorems_and_empty_sets.pdf index bc3faf1..8f75c65 100644 Binary files a/pdf/Theorems_and_empty_sets.pdf and b/pdf/Theorems_and_empty_sets.pdf differ diff --git a/pdf/Turing_machines.pdf b/pdf/Turing_machines.pdf index 93f46d0..5d5ac7b 100644 Binary files a/pdf/Turing_machines.pdf and b/pdf/Turing_machines.pdf differ diff --git a/pdf/User_management.pdf b/pdf/User_management.pdf index ce88e5e..15dfd9f 100644 Binary files a/pdf/User_management.pdf and b/pdf/User_management.pdf differ diff --git a/pdf/Von_Neumann_architecture.pdf b/pdf/Von_Neumann_architecture.pdf index 5ef9037..148d494 100644 Binary files a/pdf/Von_Neumann_architecture.pdf and b/pdf/Von_Neumann_architecture.pdf differ diff --git a/pdf/Why_computers_use_binary.pdf b/pdf/Why_computers_use_binary.pdf index 0912373..b17d978 100644 Binary files a/pdf/Why_computers_use_binary.pdf and b/pdf/Why_computers_use_binary.pdf differ