Description: A word is a word over the symbols it consists of. (Contributed by AV, 1-Dec-2022)
Ref | Expression | ||
---|---|---|---|
Assertion | wrdsymb | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | wrdf | |
|
2 | fimadmfo | |
|
3 | fof | |
|
4 | 1 2 3 | 3syl | |
5 | iswrdb | |
|
6 | 4 5 | sylibr | |