Metamath Proof Explorer
Description: Conversion of implicit substitution to explicit class substitution,
deduction form. (Contributed by NM, 13-Dec-2014)
|
|
Ref |
Expression |
|
Hypotheses |
sbcied.1 |
|
|
|
sbcied.2 |
|
|
Assertion |
sbcied |
|
Proof
Step |
Hyp |
Ref |
Expression |
1 |
|
sbcied.1 |
|
2 |
|
sbcied.2 |
|
3 |
|
nfv |
|
4 |
|
nfvd |
|
5 |
1 2 3 4
|
sbciedf |
|