'Bertie ahern' presentation slideshows

POLITICS AND ECONOMY

849 views • 67 slides

Introduction to Propositional Logic

Introduction to Propositional Logic. What are propositions? Truth values and truth functions Logical connectives: Negation Conjunction Disjunction. Simple statements. An atomic statement, or proposition , is phrase or sentence that declares a fact, and is either true or false.

707 views • 17 slides

Full declaration

Full declaration. When an element is declared to have element content, the children element types must also be declared Example: <!ELEMENT memorandum (sender,recipient,message)> <!ELEMENT sender (#PCDATA)> <!ELEMENT recipient (#PCDATA)> <!ELEMENT message (#PCDATA)>

282 views • 16 slides