Prova:

{ true } [atribui(A, num(5))] { ( ( A = 5 ) and ( A <> 4 ) ) } { true } [atribui(A, num(5))] { true } ( true => ( ( A = 5 ) and ( A <> 4 ) ) )

Sentenças a serem provadas:

( true => ( ( A = 5 ) and ( A <> 4 ) ) )

Prova:

{ true } [atribui(A, num(5))] { ( ( A = 5 ) and ( A <> 4 ) ) } ( true => ( ( 5 = 5 ) and ( 5 <> 4 ) ) ) { ( ( 5 = 5 ) and ( 5 <> 4 ) ) } [atribui(A, num(5))] { ( ( A = 5 ) and ( A <> 4 ) ) }

Sentenças a serem provadas:

( true => ( ( 5 = 5 ) and ( 5 <> 4 ) ) )