Theorem elmapssresd 8805

Description: A restricted mapping is a mapping. EDITORIAL: Could be used to shorten elpm2r 8782 with some reordering involving mapsspm 8814. (Contributed by SN, 11-Mar-2025.)

Hypotheses

Ref	Expression
elmapssresd.1	⊢ (𝜑 → 𝐴 ∈ (𝐵 ↑m 𝐶))
elmapssresd.2	⊢ (𝜑 → 𝐷 ⊆ 𝐶)

Assertion

Ref	Expression
elmapssresd	⊢ (𝜑 → (𝐴 ↾ 𝐷) ∈ (𝐵 ↑m 𝐷))

Proof of Theorem elmapssresd

Step	Hyp	Ref	Expression
1		elmapssresd.1	. 2 ⊢ (𝜑 → 𝐴 ∈ (𝐵 ↑m 𝐶))
2		elmapssresd.2	. 2 ⊢ (𝜑 → 𝐷 ⊆ 𝐶)
3		elmapssres 8804	. 2 ⊢ ((𝐴 ∈ (𝐵 ↑m 𝐶) ∧ 𝐷 ⊆ 𝐶) → (𝐴 ↾ 𝐷) ∈ (𝐵 ↑m 𝐷))
4	1, 2, 3	syl2anc 590	1 ⊢ (𝜑 → (𝐴 ↾ 𝐷) ∈ (𝐵 ↑m 𝐷))

Syntax hints:   → wi 4   ∈ wcel 2119   ⊆ wss 3883   ↾ cres 5620  (class class class)co 7356   ↑_m cmap 8763

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1802  ax-4 1816  ax-5 1917  ax-6 1974  ax-7 2015  ax-8 2121  ax-9 2129  ax-10 2152  ax-11 2168  ax-12 2189  ax-ext 2711  ax-sep 5218  ax-nul 5228  ax-pow 5294  ax-pr 5362  ax-un 7678

This theorem depends on definitions:  df-bi 208  df-an 397  df-or 854  df-3an 1094  df-tru 1550  df-fal 1560  df-ex 1787  df-nf 1791  df-sb 2074  df-mo 2543  df-eu 2573  df-clab 2718  df-cleq 2731  df-clel 2814  df-nfc 2888  df-ne 2935  df-ral 3054  df-rex 3064  df-rab 3392  df-v 3433  df-sbc 3724  df-csb 3832  df-dif 3886  df-un 3888  df-in 3890  df-ss 3900  df-nul 4262  df-if 4455  df-pw 4531  df-sn 4556  df-pr 4558  df-op 4562  df-uni 4839  df-iun 4923  df-br 5073  df-opab 5135  df-mpt 5154  df-id 5513  df-xp 5624  df-rel 5625  df-cnv 5626  df-co 5627  df-dm 5628  df-rn 5629  df-res 5630  df-ima 5631  df-iota 6441  df-fun 6487  df-fn 6488  df-f 6489  df-fv 6493  df-ov 7359  df-oprab 7360  df-mpo 7361  df-1st 7931  df-2nd 7932  df-map 8765

This theorem is referenced by:  selvply1rhm0  33710  evlextv  33726  evlselv  43039