Expresión ((a⇒b)⇒(a∨c))⇒((¬b)⇒(¬c))
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Solución
Solución detallada
a⇒b=b∨¬a(a⇒b)⇒(a∨c)=a∨c¬b⇒¬c=b∨¬c((a⇒b)⇒(a∨c))⇒(¬b⇒¬c)=b∨¬c
Tabla de verdad
+---+---+---+--------+
| a | b | c | result |
+===+===+===+========+
| 0 | 0 | 0 | 1 |
+---+---+---+--------+
| 0 | 0 | 1 | 0 |
+---+---+---+--------+
| 0 | 1 | 0 | 1 |
+---+---+---+--------+
| 0 | 1 | 1 | 1 |
+---+---+---+--------+
| 1 | 0 | 0 | 1 |
+---+---+---+--------+
| 1 | 0 | 1 | 0 |
+---+---+---+--------+
| 1 | 1 | 0 | 1 |
+---+---+---+--------+
| 1 | 1 | 1 | 1 |
+---+---+---+--------+