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| Mirrors > Home > ILE Home > Th. List > anim12i | Unicode version | ||
| Description: Conjoin antecedents and consequents of two premises. (Contributed by NM, 5-Aug-1993.) (Proof shortened by Wolf Lammen, 14-Dec-2013.) |
| Ref | Expression |
|---|---|
| anim12i.1 |
|
| anim12i.2 |
|
| Ref | Expression |
|---|---|
| anim12i |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | anim12i.1 |
. 2
| |
| 2 | anim12i.2 |
. 2
| |
| 3 | id 19 |
. 2
| |
| 4 | 1, 2, 3 | syl2an 289 |
1
|
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