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Theorem fsuppsssuppgd 9289
Description: If the support of a function is a subset of a finite support, it is finite. Deduction associated with fsuppsssupp 9288. (Contributed by SN, 6-Mar-2025.)
Hypotheses
Ref Expression
fsuppsssuppgd.g (𝜑𝐺𝑉)
fsuppsssuppgd.z (𝜑𝑍𝑊)
fsuppsssuppgd.1 (𝜑 → Fun 𝐺)
fsuppsssuppgd.2 (𝜑𝐹 finSupp 𝑂)
fsuppsssuppgd.3 (𝜑 → (𝐺 supp 𝑍) ⊆ (𝐹 supp 𝑂))
Assertion
Ref Expression
fsuppsssuppgd (𝜑𝐺 finSupp 𝑍)

Proof of Theorem fsuppsssuppgd
StepHypRef Expression
1 fsuppsssuppgd.g . 2 (𝜑𝐺𝑉)
2 fsuppsssuppgd.1 . 2 (𝜑 → Fun 𝐺)
3 fsuppsssuppgd.z . 2 (𝜑𝑍𝑊)
4 fsuppsssuppgd.2 . . 3 (𝜑𝐹 finSupp 𝑂)
54fsuppimpd 9276 . 2 (𝜑 → (𝐹 supp 𝑂) ∈ Fin)
6 fsuppsssuppgd.3 . 2 (𝜑 → (𝐺 supp 𝑍) ⊆ (𝐹 supp 𝑂))
7 suppssfifsupp 9287 . 2 (((𝐺𝑉 ∧ Fun 𝐺𝑍𝑊) ∧ ((𝐹 supp 𝑂) ∈ Fin ∧ (𝐺 supp 𝑍) ⊆ (𝐹 supp 𝑂))) → 𝐺 finSupp 𝑍)
81, 2, 3, 5, 6, 7syl32anc 1381 1 (𝜑𝐺 finSupp 𝑍)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wcel 2114  wss 3890   class class class wbr 5086  Fun wfun 6487  (class class class)co 7361   supp csupp 8104  Fincfn 8887   finSupp cfsupp 9268
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1912  ax-6 1969  ax-7 2010  ax-8 2116  ax-9 2124  ax-10 2147  ax-11 2163  ax-12 2185  ax-ext 2709  ax-sep 5232  ax-nul 5242  ax-pr 5371  ax-un 7683
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-3or 1088  df-3an 1089  df-tru 1545  df-fal 1555  df-ex 1782  df-nf 1786  df-sb 2069  df-mo 2540  df-eu 2570  df-clab 2716  df-cleq 2729  df-clel 2812  df-nfc 2886  df-ne 2934  df-ral 3053  df-rex 3063  df-reu 3344  df-rab 3391  df-v 3432  df-sbc 3730  df-dif 3893  df-un 3895  df-in 3897  df-ss 3907  df-pss 3910  df-nul 4275  df-if 4468  df-pw 4544  df-sn 4569  df-pr 4571  df-op 4575  df-uni 4852  df-br 5087  df-opab 5149  df-tr 5194  df-id 5520  df-eprel 5525  df-po 5533  df-so 5534  df-fr 5578  df-we 5580  df-xp 5631  df-rel 5632  df-cnv 5633  df-co 5634  df-dm 5635  df-rn 5636  df-res 5637  df-ima 5638  df-ord 6321  df-on 6322  df-lim 6323  df-suc 6324  df-iota 6449  df-fun 6495  df-fn 6496  df-f 6497  df-f1 6498  df-fo 6499  df-f1o 6500  df-fv 6501  df-ov 7364  df-om 7812  df-1o 8399  df-en 8888  df-fin 8891  df-fsupp 9269
This theorem is referenced by:  fsuppss  9290  fsuppssov1  9291  evlsvvvallem  22082  evlsvvvallem2  22083  evlsvvval  22084  fisuppov1  32774  elrgspnlem1  33321  mplvrpmrhm  33709  fldextrspunlsp  33837  selvvvval  43035  evlselv  43037  mhphf  43047
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