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Theorem ixpssmapc 45013
Description: An infinite Cartesian product is a subset of set exponentiation. (Contributed by Glauco Siliprandi, 24-Dec-2020.)
Hypotheses
Ref Expression
ixpssmapc.x 𝑥𝜑
ixpssmapc.c (𝜑𝐶𝑉)
ixpssmapc.b ((𝜑𝑥𝐴) → 𝐵𝐶)
Assertion
Ref Expression
ixpssmapc (𝜑X𝑥𝐴 𝐵 ⊆ (𝐶m 𝐴))
Distinct variable groups:   𝑥,𝐴   𝑥,𝐶
Allowed substitution hints:   𝜑(𝑥)   𝐵(𝑥)   𝑉(𝑥)

Proof of Theorem ixpssmapc
StepHypRef Expression
1 ixpssmapc.c . . . 4 (𝜑𝐶𝑉)
2 ixpssmapc.x . . . . . 6 𝑥𝜑
3 ixpssmapc.b . . . . . . 7 ((𝜑𝑥𝐴) → 𝐵𝐶)
43ex 412 . . . . . 6 (𝜑 → (𝑥𝐴𝐵𝐶))
52, 4ralrimi 3255 . . . . 5 (𝜑 → ∀𝑥𝐴 𝐵𝐶)
6 iunss 5050 . . . . 5 ( 𝑥𝐴 𝐵𝐶 ↔ ∀𝑥𝐴 𝐵𝐶)
75, 6sylibr 234 . . . 4 (𝜑 𝑥𝐴 𝐵𝐶)
81, 7ssexd 5330 . . 3 (𝜑 𝑥𝐴 𝐵 ∈ V)
9 ixpssmap2g 8966 . . 3 ( 𝑥𝐴 𝐵 ∈ V → X𝑥𝐴 𝐵 ⊆ ( 𝑥𝐴 𝐵m 𝐴))
108, 9syl 17 . 2 (𝜑X𝑥𝐴 𝐵 ⊆ ( 𝑥𝐴 𝐵m 𝐴))
11 mapss 8928 . . 3 ((𝐶𝑉 𝑥𝐴 𝐵𝐶) → ( 𝑥𝐴 𝐵m 𝐴) ⊆ (𝐶m 𝐴))
121, 7, 11syl2anc 584 . 2 (𝜑 → ( 𝑥𝐴 𝐵m 𝐴) ⊆ (𝐶m 𝐴))
1310, 12sstrd 4006 1 (𝜑X𝑥𝐴 𝐵 ⊆ (𝐶m 𝐴))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 395  wnf 1780  wcel 2106  wral 3059  Vcvv 3478  wss 3963   ciun 4996  (class class class)co 7431  m cmap 8865  Xcixp 8936
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1792  ax-4 1806  ax-5 1908  ax-6 1965  ax-7 2005  ax-8 2108  ax-9 2116  ax-10 2139  ax-11 2155  ax-12 2175  ax-ext 2706  ax-sep 5302  ax-nul 5312  ax-pow 5371  ax-pr 5438  ax-un 7754
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3an 1088  df-tru 1540  df-fal 1550  df-ex 1777  df-nf 1781  df-sb 2063  df-mo 2538  df-eu 2567  df-clab 2713  df-cleq 2727  df-clel 2814  df-nfc 2890  df-ne 2939  df-ral 3060  df-rex 3069  df-rab 3434  df-v 3480  df-sbc 3792  df-csb 3909  df-dif 3966  df-un 3968  df-in 3970  df-ss 3980  df-nul 4340  df-if 4532  df-pw 4607  df-sn 4632  df-pr 4634  df-op 4638  df-uni 4913  df-iun 4998  df-br 5149  df-opab 5211  df-mpt 5232  df-id 5583  df-xp 5695  df-rel 5696  df-cnv 5697  df-co 5698  df-dm 5699  df-rn 5700  df-res 5701  df-ima 5702  df-iota 6516  df-fun 6565  df-fn 6566  df-f 6567  df-fv 6571  df-ov 7434  df-oprab 7435  df-mpo 7436  df-1st 8013  df-2nd 8014  df-map 8867  df-ixp 8937
This theorem is referenced by:  ioorrnopnlem  46260
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