Description: Equality theorem for the set of words, inference form. (Contributed by AV, 23-May-2021)
Ref | Expression | ||
---|---|---|---|
Hypothesis | wrdeqi.1 | ⊢ 𝑆 = 𝑇 | |
Assertion | wrdeqi | ⊢ Word 𝑆 = Word 𝑇 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | wrdeqi.1 | ⊢ 𝑆 = 𝑇 | |
2 | wrdeq | ⊢ ( 𝑆 = 𝑇 → Word 𝑆 = Word 𝑇 ) | |
3 | 1 2 | ax-mp | ⊢ Word 𝑆 = Word 𝑇 |