| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > ssidd | Structured version Visualization version GIF version | ||
| Description: Weakening of ssid 4006. (Contributed by BJ, 1-Sep-2022.) |
| Ref | Expression |
|---|---|
| ssidd | ⊢ (𝜑 → 𝐴 ⊆ 𝐴) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ssid 4006 | . 2 ⊢ 𝐴 ⊆ 𝐴 | |
| 2 | 1 | a1i 11 | 1 ⊢ (𝜑 → 𝐴 ⊆ 𝐴) |
| Copyright terms: Public domain | W3C validator |