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Definition df-mrex 31144
Description: Define the set of "raw expressions", which are expressions without a typecode attached. (Contributed by Mario Carneiro, 14-Jul-2016.)
Assertion
Ref Expression
df-mrex mREx = (𝑡 ∈ V ↦ Word ((mCN‘𝑡) ∪ (mVR‘𝑡)))

Detailed syntax breakdown of Definition df-mrex
StepHypRef Expression
1 cmrex 31124 . 2 class mREx
2 vt . . 3 setvar 𝑡
3 cvv 3190 . . 3 class V
42cv 1479 . . . . . 6 class 𝑡
5 cmcn 31118 . . . . . 6 class mCN
64, 5cfv 5857 . . . . 5 class (mCN‘𝑡)
7 cmvar 31119 . . . . . 6 class mVR
84, 7cfv 5857 . . . . 5 class (mVR‘𝑡)
96, 8cun 3558 . . . 4 class ((mCN‘𝑡) ∪ (mVR‘𝑡))
109cword 13246 . . 3 class Word ((mCN‘𝑡) ∪ (mVR‘𝑡))
112, 3, 10cmpt 4683 . 2 class (𝑡 ∈ V ↦ Word ((mCN‘𝑡) ∪ (mVR‘𝑡)))
121, 11wceq 1480 1 wff mREx = (𝑡 ∈ V ↦ Word ((mCN‘𝑡) ∪ (mVR‘𝑡)))
Colors of variables: wff setvar class
This definition is referenced by:  mrexval  31159
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