| Mathbox for BJ |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > bj-spst | Structured version Visualization version GIF version | ||
| Description: Closed form of sps 2224. Once in main part, prove sps 2224 and spsd 2226 from it. (Contributed by BJ, 20-Oct-2019.) |
| Ref | Expression |
|---|---|
| bj-spst | ⊢ ((𝜑 → 𝜓) → (∀𝑥𝜑 → 𝜓)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | sp 2222 | . 2 ⊢ (∀𝑥𝜑 → 𝜑) | |
| 2 | 1 | imim1i 64 | 1 ⊢ ((𝜑 → 𝜓) → (∀𝑥𝜑 → 𝜓)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∀wal 1568 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-12 2216 |
| This proof depends on definitions: df-bi 210 df-ex 1813 |
| This theorem is used by: (None) |
| Copyright terms: Public domain | W3C validator |