Detailed syntax breakdown of Definition df-mvsb
| Step | Hyp | Ref
| Expression |
| 1 | | cmvsb 31502 |
. 2
mVSubst |
| 2 | | vt |
. . 3
 |
| 3 | | cvv 3200 |
. . 3
 |
| 4 | | vs |
. . . . . . . 8
 |
| 5 | 4 | cv 1482 |
. . . . . . 7
 |
| 6 | 2 | cv 1482 |
. . . . . . . . 9
 |
| 7 | | cmsub 31368 |
. . . . . . . . 9
mSubst |
| 8 | 6, 7 | cfv 5888 |
. . . . . . . 8
mSubst   |
| 9 | 8 | crn 5115 |
. . . . . . 7
mSubst   |
| 10 | 5, 9 | wcel 1990 |
. . . . . 6
mSubst   |
| 11 | | vm |
. . . . . . . 8
 |
| 12 | 11 | cv 1482 |
. . . . . . 7
 |
| 13 | | cmvl 31501 |
. . . . . . . 8
mVL |
| 14 | 6, 13 | cfv 5888 |
. . . . . . 7
mVL   |
| 15 | 12, 14 | wcel 1990 |
. . . . . 6
mVL   |
| 16 | 10, 15 | wa 384 |
. . . . 5
 mSubst  mVL    |
| 17 | | vv |
. . . . . . . . . 10
 |
| 18 | 17 | cv 1482 |
. . . . . . . . 9
 |
| 19 | | cmvh 31369 |
. . . . . . . . . 10
mVH |
| 20 | 6, 19 | cfv 5888 |
. . . . . . . . 9
mVH   |
| 21 | 18, 20 | cfv 5888 |
. . . . . . . 8
 mVH      |
| 22 | 21, 5 | cfv 5888 |
. . . . . . 7
    mVH       |
| 23 | | cmevl 31505 |
. . . . . . . . 9
mEval |
| 24 | 6, 23 | cfv 5888 |
. . . . . . . 8
mEval   |
| 25 | 24 | cdm 5114 |
. . . . . . 7
mEval   |
| 26 | 12, 22, 25 | wbr 4653 |
. . . . . 6
 mEval       mVH       |
| 27 | | cmvar 31358 |
. . . . . . 7
mVR |
| 28 | 6, 27 | cfv 5888 |
. . . . . 6
mVR   |
| 29 | 26, 17, 28 | wral 2912 |
. . . . 5
 mVR   
mEval       mVH       |
| 30 | | vx |
. . . . . . 7
 |
| 31 | 30 | cv 1482 |
. . . . . 6
 |
| 32 | 12, 22, 24 | co 6650 |
. . . . . . 7
  mEval       mVH        |
| 33 | 17, 28, 32 | cmpt 4729 |
. . . . . 6
 mVR    mEval       mVH         |
| 34 | 31, 33 | wceq 1483 |
. . . . 5
 mVR    mEval       mVH         |
| 35 | 16, 29, 34 | w3a 1037 |
. . . 4
  mSubst  mVL  
 mVR   
mEval       mVH     
 mVR    mEval       mVH          |
| 36 | 35, 4, 11, 30 | coprab 6651 |
. . 3
      
  mSubst 
mVL   
mVR    mEval       mVH       mVR    mEval       mVH           |
| 37 | 2, 3, 36 | cmpt 4729 |
. 2
       
  mSubst 
mVL   
mVR    mEval       mVH       mVR    mEval       mVH            |
| 38 | 1, 37 | wceq 1483 |
1
mVSubst           mSubst 
mVL   
mVR    mEval       mVH       mVR    mEval       mVH            |