Žq‹Ÿ Œ‹¥Ž® ”¯Œ^ ŠÈ’P ƒ~ƒfƒBƒAƒ€ 194059
11 PROPOSITIONS 7 p q ¬p p∧q p∨q p⊕q p → q p ↔ q T T F T T F T T T F F F T T F F F T T F T T T F F F T F F F T T Note that ∨ represents a nonexclusive or, ie, p∨ q is true when any of p, q is true and also when both are true On the other hand ⊕ represents an exclusive or, ie, p⊕ q is true only when exactly one of p and q is true 112Pushdown Automata A pushdown automata (PDA) is essentially an NFA with a stack On a transition the PDA 1 Consumes an input symbol 2 Goes to a new state (or stays in the old)Z z z f h q wu d od y h q x h f k u \ v oh u mh h s f r p h h s wk h x q g lv s x wh g lq j r i wk h r ii u r d g d g y h q wx u h lq y lwh v \ r x wr f olp e lq wr wk h g u ly h u 3 3 Independent And Mutually Exclusive Events Introduction To Statistics Žq‹Ÿ Œ‹¥Ž® "¯Œ^ ŠÈ'P ƒ~ƒfƒBƒAƒ€