Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > ssidd | Structured version Visualization version GIF version |
Description: Weakening of ssid 3923. (Contributed by BJ, 1-Sep-2022.) |
Ref | Expression |
---|---|
ssidd | ⊢ (𝜑 → 𝐴 ⊆ 𝐴) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ssid 3923 | . 2 ⊢ 𝐴 ⊆ 𝐴 | |
2 | 1 | a1i 11 | 1 ⊢ (𝜑 → 𝐴 ⊆ 𝐴) |
Copyright terms: Public domain | W3C validator |