Description: Inference quantifying both antecedent and consequent, with strong hypothesis. (Contributed by NM, 4-Mar-1997)
Ref | Expression | ||
---|---|---|---|
Hypothesis | ralimi.1 | |- ( ph -> ps ) |
|
Assertion | ralimi | |- ( A. x e. A ph -> A. x e. A ps ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ralimi.1 | |- ( ph -> ps ) |
|
2 | 1 | a1i | |- ( x e. A -> ( ph -> ps ) ) |
3 | 2 | ralimia | |- ( A. x e. A ph -> A. x e. A ps ) |