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| Mirrors > Home > QLE Home > Th. List > wle | GIF version | ||
| Description: If a and b are terms, a ≤ b is a wff. |
| Ref | Expression |
|---|---|
| wva | term a |
| wvb | term b |
| Ref | Expression |
|---|---|
| wle | wff a ≤ b |
| Colors of variables: term |
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