Definition df-mufs 31499

Description: Define the set of unambiguous formal systems. (Contributed by Mario Carneiro, 14-Jul-2016.)

Assertion

Ref	Expression
df-mufs	|- mUFS = { t e. mGFS | Fun (mST ` t ) }

Detailed syntax breakdown of Definition df-mufs

Step	Hyp	Ref	Expression
1		cmufs 31491	. 2 class mUFS
2		vt	. . . . . 6 setvar t
3	2	cv 1482	. . . . 5 class t
4		cmst 31489	. . . . 5 class mST
5	3, 4	cfv 5888	. . . 4 class (mST ` t )
6	5	wfun 5882	. . 3 wff Fun (mST ` t )
7		cmgfs 31487	. . 3 class mGFS
8	6, 2, 7	crab 2916	. 2 class { t e. mGFS | Fun (mST ` t ) }
9	1, 8	wceq 1483	1 wff mUFS = { t e. mGFS | Fun (mST ` t ) }

This definition is referenced by: (None)