Description: Introduce a consequent to both sides of a logical equivalence. (Contributed by NM, 3-Jan-1993) (Proof shortened by Wolf Lammen, 17-Sep-2013)
Ref | Expression | ||
---|---|---|---|
Hypothesis | imbi1i.1 | ||
Assertion | imbi1i |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | imbi1i.1 | ||
2 | imbi1 | ||
3 | 1 2 | ax-mp |