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Related theorems Unicode version |
| Description: Associative law for conjunction applied to antecedent (eliminates syllogism). |
| Ref | Expression |
|---|---|
| anassrs.1 |
|
| Ref | Expression |
|---|---|
| anassrs |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | anassrs.1 |
. . 3
| |
| 2 | 1 | exp32 408 |
. 2
|
| 3 | 2 | imp31 389 |
1
|