| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > w3o | Structured version Visualization version Unicode version | ||
| Description: Extend wff definition to include three-way disjunction ('or'). |
| Ref | Expression |
|---|---|
| wph |
|
| wps |
|
| wch |
|
| Ref | Expression |
|---|---|
| w3o |
|
| Colors of variables: wff setvar class |
| Copyright terms: Public domain | W3C validator |