法華玄贊義決 1.293

1.293

假名涅槃故。第二云但離虛妄名為解脫，其實未得一切解脫。又云，爾時心自謂得至於涅槃，如增上慢自謂得果，其實不得，此亦如是。

Because it is nominally called nirvāṇa. Secondly, it is said that merely being free from deception is called liberation, but in truth they have not yet attained all liberation. Furthermore, it is said that at that time their mind thought itself to have attained nirvāṇa, just as those with overweening pride think themselves to have attained the fruit when in truth they have not; this is also like that.