23 lines
367 B
Text
23 lines
367 B
Text
variable a : Bool
|
||
variable b : Bool
|
||
-- and::introunctions
|
||
print a && b
|
||
print a && b && a
|
||
print a /\ b
|
||
print a ∧ b
|
||
print (and a b)
|
||
print and a b
|
||
-- Disjunctions
|
||
print a || b
|
||
print a \/ b
|
||
print a ∨ b
|
||
print (or a b)
|
||
print or a (or a b)
|
||
-- Simple Formulas
|
||
print a → b → a
|
||
check a → b
|
||
eval a → a
|
||
eval true → a
|
||
-- Simple proof
|
||
axiom H1 : a
|
||
axiom H2 : a → b
|