diff --git a/pdf/Algorithmic_complexity.pdf b/pdf/Algorithmic_complexity.pdf index 7260c3c..49c716c 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 9af869e..6c82e0c 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 a129d84..683a6dd 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 9b5c422..5279544 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 9fd780f..a76be9d 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 c9ddc81..16957c8 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 8eb5317..fe380fa 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 8ac53bc..c46496c 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 97ec771..a19fb92 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 2864c26..c99fb03 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 81cc54d..3070c48 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 32c8f72..d80ec96 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 f121f43..ff96ef2 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 8f70ca0..ef545cb 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 0deb23f..8ad4244 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 0d6c0b3..8e436a2 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 4d1641f..7fc77e1 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 4ba1de1..2b01336 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 51ecaf2..aee49f8 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 4437f67..dff5639 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 c1b5a2a..a3d99a3 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 ac9a590..4bd4b3c 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 0510bdc..2ee6cc3 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 fe42d7b..cc788c1 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 3df1470..fc123de 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 2e00976..81f93b1 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 7ffff60..73661a7 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 d412f0b..a111245 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 983603c..b520174 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 296f93b..452efcb 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 31ecf12..4289726 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 477d436..dc9e446 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 2c93f86..7208e98 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 ac0723c..bff6db7 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 84a7ded..a809d0f 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 c7d4928..19517d9 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 d67e4ea..82a6f06 100644 Binary files a/pdf/Recursion.pdf and b/pdf/Recursion.pdf differ diff --git a/pdf/Reiteration.pdf b/pdf/Reiteration.pdf index 533574d..c65df6f 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 a5e5e39..f4a6607 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 320cb82..2690daf 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 1429140..609cbc0 100644 Binary files a/pdf/Soundness.pdf and b/pdf/Soundness.pdf differ diff --git a/pdf/Stacks.pdf b/pdf/Stacks.pdf index 97aeb57..02915c6 100644 Binary files a/pdf/Stacks.pdf and b/pdf/Stacks.pdf differ diff --git a/pdf/Syllogism.pdf b/pdf/Syllogism.pdf index ced35d7..a303dfd 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 ac6b5b0..a887c43 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 ec36422..423742b 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 7fa72ea..074152e 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 866b202..70d68e3 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 97cb0f9..1d7bcbf 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 4ff0567..1746e7a 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 d2b1c3f..5a79c0d 100644 Binary files a/pdf/Why_computers_use_binary.pdf and b/pdf/Why_computers_use_binary.pdf differ