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Theorem ralimdv2 2432
Description: Inference quantifying both antecedent and consequent. (Contributed by NM, 1-Feb-2005.)
Hypothesis
Ref Expression
ralimdv2.1 (𝜑 → ((𝑥𝐴𝜓) → (𝑥𝐵𝜒)))
Assertion
Ref Expression
ralimdv2 (𝜑 → (∀𝑥𝐴 𝜓 → ∀𝑥𝐵 𝜒))
Distinct variable group:   𝜑,𝑥
Allowed substitution hints:   𝜓(𝑥)   𝜒(𝑥)   𝐴(𝑥)   𝐵(𝑥)

Proof of Theorem ralimdv2
StepHypRef Expression
1 ralimdv2.1 . . 3 (𝜑 → ((𝑥𝐴𝜓) → (𝑥𝐵𝜒)))
21alimdv 1801 . 2 (𝜑 → (∀𝑥(𝑥𝐴𝜓) → ∀𝑥(𝑥𝐵𝜒)))
3 df-ral 2354 . 2 (∀𝑥𝐴 𝜓 ↔ ∀𝑥(𝑥𝐴𝜓))
4 df-ral 2354 . 2 (∀𝑥𝐵 𝜒 ↔ ∀𝑥(𝑥𝐵𝜒))
52, 3, 43imtr4g 203 1 (𝜑 → (∀𝑥𝐴 𝜓 → ∀𝑥𝐵 𝜒))
Colors of variables: wff set class
Syntax hints:  wi 4  wal 1283  wcel 1434  wral 2349
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-mp 7  ax-ia1 104  ax-ia2 105  ax-ia3 106  ax-5 1377  ax-gen 1379  ax-17 1460
This theorem depends on definitions:  df-bi 115  df-ral 2354
This theorem is referenced by:  ssralv  3059  r19.29uz  10016
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