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Mirrors > Home > ILE Home > Th. List > alimdv | GIF version |
Description: Deduction from Theorem 19.20 of [Margaris] p. 90. (Contributed by NM, 3-Apr-1994.) |
Ref | Expression |
---|---|
alimdv.1 | ⊢ (𝜑 → (𝜓 → 𝜒)) |
Ref | Expression |
---|---|
alimdv | ⊢ (𝜑 → (∀𝑥𝜓 → ∀𝑥𝜒)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ax-17 1419 | . 2 ⊢ (𝜑 → ∀𝑥𝜑) | |
2 | alimdv.1 | . 2 ⊢ (𝜑 → (𝜓 → 𝜒)) | |
3 | 1, 2 | alimdh 1356 | 1 ⊢ (𝜑 → (∀𝑥𝜓 → ∀𝑥𝜒)) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∀wal 1241 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-5 1336 ax-gen 1338 ax-17 1419 |
This theorem is referenced by: 2alimdv 1761 moim 1964 ralimdv2 2389 sstr2 2952 reuss2 3217 ssuni 3602 disjss2 3748 disjss1 3751 soss 4051 alxfr 4193 ssrel 4428 ssrel2 4430 ssrelrel 4440 iotaval 4878 |
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