You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
4 lines
163 B
4 lines
163 B
This sequent is not provable, counter example: \\
|
|
$\mathcal{M} : p = T, q = F, r = F$ \\
|
|
$\mathcal{M} \models p \lor q, \lnot q \lor r$ \\
|
|
$\mathcal{M} \nmodels r$
|