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Theorem lmfss 21081
Description: Inclusion of a function having a limit (used to ensure the limit relation is a set, under our definition). (Contributed by NM, 7-Dec-2006.) (Revised by Mario Carneiro, 23-Dec-2013.)
Assertion
Ref Expression
lmfss ((𝐽 ∈ (TopOn‘𝑋) ∧ 𝐹(⇝𝑡𝐽)𝑃) → 𝐹 ⊆ (ℂ × 𝑋))

Proof of Theorem lmfss
StepHypRef Expression
1 lmfpm 21080 . . 3 ((𝐽 ∈ (TopOn‘𝑋) ∧ 𝐹(⇝𝑡𝐽)𝑃) → 𝐹 ∈ (𝑋pm ℂ))
2 toponmax 20711 . . . . 5 (𝐽 ∈ (TopOn‘𝑋) → 𝑋𝐽)
3 cnex 10002 . . . . 5 ℂ ∈ V
4 elpmg 7858 . . . . 5 ((𝑋𝐽 ∧ ℂ ∈ V) → (𝐹 ∈ (𝑋pm ℂ) ↔ (Fun 𝐹𝐹 ⊆ (ℂ × 𝑋))))
52, 3, 4sylancl 693 . . . 4 (𝐽 ∈ (TopOn‘𝑋) → (𝐹 ∈ (𝑋pm ℂ) ↔ (Fun 𝐹𝐹 ⊆ (ℂ × 𝑋))))
65adantr 481 . . 3 ((𝐽 ∈ (TopOn‘𝑋) ∧ 𝐹(⇝𝑡𝐽)𝑃) → (𝐹 ∈ (𝑋pm ℂ) ↔ (Fun 𝐹𝐹 ⊆ (ℂ × 𝑋))))
71, 6mpbid 222 . 2 ((𝐽 ∈ (TopOn‘𝑋) ∧ 𝐹(⇝𝑡𝐽)𝑃) → (Fun 𝐹𝐹 ⊆ (ℂ × 𝑋)))
87simprd 479 1 ((𝐽 ∈ (TopOn‘𝑋) ∧ 𝐹(⇝𝑡𝐽)𝑃) → 𝐹 ⊆ (ℂ × 𝑋))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 196  wa 384  wcel 1988  Vcvv 3195  wss 3567   class class class wbr 4644   × cxp 5102  Fun wfun 5870  cfv 5876  (class class class)co 6635  pm cpm 7843  cc 9919  TopOnctopon 20696  𝑡clm 21011
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1720  ax-4 1735  ax-5 1837  ax-6 1886  ax-7 1933  ax-8 1990  ax-9 1997  ax-10 2017  ax-11 2032  ax-12 2045  ax-13 2244  ax-ext 2600  ax-sep 4772  ax-nul 4780  ax-pow 4834  ax-pr 4897  ax-un 6934  ax-cnex 9977
This theorem depends on definitions:  df-bi 197  df-or 385  df-an 386  df-3an 1038  df-tru 1484  df-ex 1703  df-nf 1708  df-sb 1879  df-eu 2472  df-mo 2473  df-clab 2607  df-cleq 2613  df-clel 2616  df-nfc 2751  df-ne 2792  df-ral 2914  df-rex 2915  df-rab 2918  df-v 3197  df-sbc 3430  df-csb 3527  df-dif 3570  df-un 3572  df-in 3574  df-ss 3581  df-nul 3908  df-if 4078  df-pw 4151  df-sn 4169  df-pr 4171  df-op 4175  df-uni 4428  df-br 4645  df-opab 4704  df-mpt 4721  df-id 5014  df-xp 5110  df-rel 5111  df-cnv 5112  df-co 5113  df-dm 5114  df-rn 5115  df-res 5116  df-iota 5839  df-fun 5878  df-fn 5879  df-f 5880  df-fv 5884  df-ov 6638  df-oprab 6639  df-mpt2 6640  df-pm 7845  df-top 20680  df-topon 20697  df-lm 21014
This theorem is referenced by:  lmss  21083
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