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Theorem fsuppsssuppgd 9338
Description: If the support of a function is a subset of a finite support, it is finite. Deduction associated with fsuppsssupp 9337. (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 9325 . 2 (𝜑 → (𝐹 supp 𝑂) ∈ Fin)
6 fsuppsssuppgd.3 . 2 (𝜑 → (𝐺 supp 𝑍) ⊆ (𝐹 supp 𝑂))
7 suppssfifsupp 9336 . 2 (((𝐺𝑉 ∧ Fun 𝐺𝑍𝑊) ∧ ((𝐹 supp 𝑂) ∈ Fin ∧ (𝐺 supp 𝑍) ⊆ (𝐹 supp 𝑂))) → 𝐺 finSupp 𝑍)
81, 2, 3, 5, 6, 7syl32anc 1405 1 (𝜑𝐺 finSupp 𝑍)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wcel 2143  wss 3905   class class class wbr 5109  Fun wfun 6530  (class class class)co 7410   supp csupp 8152  Fincfn 8939   finSupp cfsupp 9317
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1825  ax-4 1839  ax-5 1940  ax-6 1997  ax-7 2038  ax-8 2145  ax-9 2153  ax-10 2176  ax-11 2192  ax-12 2213  ax-ext 2735  ax-sep 5257  ax-nul 5269  ax-pr 5404  ax-un 7732
This theorem depends on definitions:  df-bi 210  df-an 401  df-or 861  df-3or 1104  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1810  df-nf 1814  df-sb 2097  df-mo 2567  df-eu 2597  df-clab 2742  df-cleq 2755  df-clel 2838  df-nfc 2912  df-ne 2959  df-ral 3080  df-rex 3090  df-reu 3370  df-rab 3417  df-v 3457  df-sbc 3745  df-dif 3908  df-un 3910  df-in 3912  df-ss 3922  df-pss 3925  df-nul 4287  df-if 4488  df-pw 4564  df-sn 4590  df-pr 4592  df-op 4596  df-uni 4873  df-br 5110  df-opab 5174  df-tr 5219  df-id 5556  df-eprel 5561  df-po 5569  df-so 5570  df-fr 5614  df-we 5616  df-xp 5667  df-rel 5668  df-cnv 5669  df-co 5670  df-dm 5671  df-rn 5672  df-res 5673  df-ima 5674  df-ord 6363  df-on 6364  df-lim 6365  df-suc 6366  df-iota 6492  df-fun 6538  df-fn 6539  df-f 6540  df-f1 6541  df-fo 6542  df-f1o 6543  df-fv 6544  df-ov 7413  df-om 7859  df-1o 8449  df-en 8940  df-fin 8943  df-fsupp 9318
This theorem is referenced by:  fsuppss  9339  fsuppssov1  9340  evlsvvvallem  22242  evlsvvvallem2  22243  evlsvvval  22244  selvvvval  22293  fisuppov1  33028  elrgspnlem1  33562  mplvrpmrhm  33937  fldextrspunlsp  34064  evlselv  43321  mhphf  43329
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