Description: Define the set of valuations. (Contributed by Mario Carneiro, 14-Jul-2016)
| Ref | Expression | ||
|---|---|---|---|
| Assertion | df-mvl | |- mVL = ( t e. _V |-> X_ v e. ( mVR ` t ) ( ( mUV ` t ) " { ( ( mType ` t ) ` v ) } ) ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 0 | cmvl | |- mVL |
|
| 1 | vt | |- t |
|
| 2 | cvv | |- _V |
|
| 3 | vv | |- v |
|
| 4 | cmvar | |- mVR |
|
| 5 | 1 | cv | |- t |
| 6 | 5 4 | cfv | |- ( mVR ` t ) |
| 7 | cmuv | |- mUV |
|
| 8 | 5 7 | cfv | |- ( mUV ` t ) |
| 9 | cmty | |- mType |
|
| 10 | 5 9 | cfv | |- ( mType ` t ) |
| 11 | 3 | cv | |- v |
| 12 | 11 10 | cfv | |- ( ( mType ` t ) ` v ) |
| 13 | 12 | csn | |- { ( ( mType ` t ) ` v ) } |
| 14 | 8 13 | cima | |- ( ( mUV ` t ) " { ( ( mType ` t ) ` v ) } ) |
| 15 | 3 6 14 | cixp | |- X_ v e. ( mVR ` t ) ( ( mUV ` t ) " { ( ( mType ` t ) ` v ) } ) |
| 16 | 1 2 15 | cmpt | |- ( t e. _V |-> X_ v e. ( mVR ` t ) ( ( mUV ` t ) " { ( ( mType ` t ) ` v ) } ) ) |
| 17 | 0 16 | wceq | |- mVL = ( t e. _V |-> X_ v e. ( mVR ` t ) ( ( mUV ` t ) " { ( ( mType ` t ) ` v ) } ) ) |