Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > mapfienlem3 | Structured version Visualization version GIF version |
Description: Lemma 3 for mapfien 8196. (Contributed by AV, 3-Jul-2019.) |
Ref | Expression |
---|---|
mapfien.s | ⊢ 𝑆 = {𝑥 ∈ (𝐵 ↑𝑚 𝐴) ∣ 𝑥 finSupp 𝑍} |
mapfien.t | ⊢ 𝑇 = {𝑥 ∈ (𝐷 ↑𝑚 𝐶) ∣ 𝑥 finSupp 𝑊} |
mapfien.w | ⊢ 𝑊 = (𝐺‘𝑍) |
mapfien.f | ⊢ (𝜑 → 𝐹:𝐶–1-1-onto→𝐴) |
mapfien.g | ⊢ (𝜑 → 𝐺:𝐵–1-1-onto→𝐷) |
mapfien.a | ⊢ (𝜑 → 𝐴 ∈ V) |
mapfien.b | ⊢ (𝜑 → 𝐵 ∈ V) |
mapfien.c | ⊢ (𝜑 → 𝐶 ∈ V) |
mapfien.d | ⊢ (𝜑 → 𝐷 ∈ V) |
mapfien.z | ⊢ (𝜑 → 𝑍 ∈ 𝐵) |
Ref | Expression |
---|---|
mapfienlem3 | ⊢ ((𝜑 ∧ 𝑔 ∈ 𝑇) → ((◡𝐺 ∘ 𝑔) ∘ ◡𝐹) ∈ 𝑆) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | mapfien.g | . . . . . . 7 ⊢ (𝜑 → 𝐺:𝐵–1-1-onto→𝐷) | |
2 | f1ocnv 6062 | . . . . . . 7 ⊢ (𝐺:𝐵–1-1-onto→𝐷 → ◡𝐺:𝐷–1-1-onto→𝐵) | |
3 | f1of 6050 | . . . . . . 7 ⊢ (◡𝐺:𝐷–1-1-onto→𝐵 → ◡𝐺:𝐷⟶𝐵) | |
4 | 1, 2, 3 | 3syl 18 | . . . . . 6 ⊢ (𝜑 → ◡𝐺:𝐷⟶𝐵) |
5 | 4 | adantr 480 | . . . . 5 ⊢ ((𝜑 ∧ 𝑔 ∈ 𝑇) → ◡𝐺:𝐷⟶𝐵) |
6 | elrabi 3328 | . . . . . . . 8 ⊢ (𝑔 ∈ {𝑥 ∈ (𝐷 ↑𝑚 𝐶) ∣ 𝑥 finSupp 𝑊} → 𝑔 ∈ (𝐷 ↑𝑚 𝐶)) | |
7 | mapfien.t | . . . . . . . 8 ⊢ 𝑇 = {𝑥 ∈ (𝐷 ↑𝑚 𝐶) ∣ 𝑥 finSupp 𝑊} | |
8 | 6, 7 | eleq2s 2706 | . . . . . . 7 ⊢ (𝑔 ∈ 𝑇 → 𝑔 ∈ (𝐷 ↑𝑚 𝐶)) |
9 | 8 | adantl 481 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑔 ∈ 𝑇) → 𝑔 ∈ (𝐷 ↑𝑚 𝐶)) |
10 | elmapi 7765 | . . . . . 6 ⊢ (𝑔 ∈ (𝐷 ↑𝑚 𝐶) → 𝑔:𝐶⟶𝐷) | |
11 | 9, 10 | syl 17 | . . . . 5 ⊢ ((𝜑 ∧ 𝑔 ∈ 𝑇) → 𝑔:𝐶⟶𝐷) |
12 | fco 5971 | . . . . 5 ⊢ ((◡𝐺:𝐷⟶𝐵 ∧ 𝑔:𝐶⟶𝐷) → (◡𝐺 ∘ 𝑔):𝐶⟶𝐵) | |
13 | 5, 11, 12 | syl2anc 691 | . . . 4 ⊢ ((𝜑 ∧ 𝑔 ∈ 𝑇) → (◡𝐺 ∘ 𝑔):𝐶⟶𝐵) |
14 | mapfien.f | . . . . . 6 ⊢ (𝜑 → 𝐹:𝐶–1-1-onto→𝐴) | |
15 | f1ocnv 6062 | . . . . . 6 ⊢ (𝐹:𝐶–1-1-onto→𝐴 → ◡𝐹:𝐴–1-1-onto→𝐶) | |
16 | f1of 6050 | . . . . . 6 ⊢ (◡𝐹:𝐴–1-1-onto→𝐶 → ◡𝐹:𝐴⟶𝐶) | |
17 | 14, 15, 16 | 3syl 18 | . . . . 5 ⊢ (𝜑 → ◡𝐹:𝐴⟶𝐶) |
18 | 17 | adantr 480 | . . . 4 ⊢ ((𝜑 ∧ 𝑔 ∈ 𝑇) → ◡𝐹:𝐴⟶𝐶) |
19 | fco 5971 | . . . 4 ⊢ (((◡𝐺 ∘ 𝑔):𝐶⟶𝐵 ∧ ◡𝐹:𝐴⟶𝐶) → ((◡𝐺 ∘ 𝑔) ∘ ◡𝐹):𝐴⟶𝐵) | |
20 | 13, 18, 19 | syl2anc 691 | . . 3 ⊢ ((𝜑 ∧ 𝑔 ∈ 𝑇) → ((◡𝐺 ∘ 𝑔) ∘ ◡𝐹):𝐴⟶𝐵) |
21 | mapfien.b | . . . . 5 ⊢ (𝜑 → 𝐵 ∈ V) | |
22 | mapfien.a | . . . . 5 ⊢ (𝜑 → 𝐴 ∈ V) | |
23 | 21, 22 | elmapd 7758 | . . . 4 ⊢ (𝜑 → (((◡𝐺 ∘ 𝑔) ∘ ◡𝐹) ∈ (𝐵 ↑𝑚 𝐴) ↔ ((◡𝐺 ∘ 𝑔) ∘ ◡𝐹):𝐴⟶𝐵)) |
24 | 23 | adantr 480 | . . 3 ⊢ ((𝜑 ∧ 𝑔 ∈ 𝑇) → (((◡𝐺 ∘ 𝑔) ∘ ◡𝐹) ∈ (𝐵 ↑𝑚 𝐴) ↔ ((◡𝐺 ∘ 𝑔) ∘ ◡𝐹):𝐴⟶𝐵)) |
25 | 20, 24 | mpbird 246 | . 2 ⊢ ((𝜑 ∧ 𝑔 ∈ 𝑇) → ((◡𝐺 ∘ 𝑔) ∘ ◡𝐹) ∈ (𝐵 ↑𝑚 𝐴)) |
26 | mapfien.s | . . 3 ⊢ 𝑆 = {𝑥 ∈ (𝐵 ↑𝑚 𝐴) ∣ 𝑥 finSupp 𝑍} | |
27 | mapfien.w | . . 3 ⊢ 𝑊 = (𝐺‘𝑍) | |
28 | mapfien.c | . . 3 ⊢ (𝜑 → 𝐶 ∈ V) | |
29 | mapfien.d | . . 3 ⊢ (𝜑 → 𝐷 ∈ V) | |
30 | mapfien.z | . . 3 ⊢ (𝜑 → 𝑍 ∈ 𝐵) | |
31 | 26, 7, 27, 14, 1, 22, 21, 28, 29, 30 | mapfienlem2 8194 | . 2 ⊢ ((𝜑 ∧ 𝑔 ∈ 𝑇) → ((◡𝐺 ∘ 𝑔) ∘ ◡𝐹) finSupp 𝑍) |
32 | breq1 4586 | . . 3 ⊢ (𝑥 = ((◡𝐺 ∘ 𝑔) ∘ ◡𝐹) → (𝑥 finSupp 𝑍 ↔ ((◡𝐺 ∘ 𝑔) ∘ ◡𝐹) finSupp 𝑍)) | |
33 | 32, 26 | elrab2 3333 | . 2 ⊢ (((◡𝐺 ∘ 𝑔) ∘ ◡𝐹) ∈ 𝑆 ↔ (((◡𝐺 ∘ 𝑔) ∘ ◡𝐹) ∈ (𝐵 ↑𝑚 𝐴) ∧ ((◡𝐺 ∘ 𝑔) ∘ ◡𝐹) finSupp 𝑍)) |
34 | 25, 31, 33 | sylanbrc 695 | 1 ⊢ ((𝜑 ∧ 𝑔 ∈ 𝑇) → ((◡𝐺 ∘ 𝑔) ∘ ◡𝐹) ∈ 𝑆) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 195 ∧ wa 383 = wceq 1475 ∈ wcel 1977 {crab 2900 Vcvv 3173 class class class wbr 4583 ◡ccnv 5037 ∘ ccom 5042 ⟶wf 5800 –1-1-onto→wf1o 5803 ‘cfv 5804 (class class class)co 6549 ↑𝑚 cmap 7744 finSupp cfsupp 8158 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-8 1979 ax-9 1986 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-rep 4699 ax-sep 4709 ax-nul 4717 ax-pow 4769 ax-pr 4833 ax-un 6847 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3or 1032 df-3an 1033 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-eu 2462 df-mo 2463 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-ne 2782 df-ral 2901 df-rex 2902 df-reu 2903 df-rab 2905 df-v 3175 df-sbc 3403 df-csb 3500 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-pss 3556 df-nul 3875 df-if 4037 df-pw 4110 df-sn 4126 df-pr 4128 df-tp 4130 df-op 4132 df-uni 4373 df-iun 4457 df-br 4584 df-opab 4644 df-mpt 4645 df-tr 4681 df-eprel 4949 df-id 4953 df-po 4959 df-so 4960 df-fr 4997 df-we 4999 df-xp 5044 df-rel 5045 df-cnv 5046 df-co 5047 df-dm 5048 df-rn 5049 df-res 5050 df-ima 5051 df-ord 5643 df-on 5644 df-lim 5645 df-suc 5646 df-iota 5768 df-fun 5806 df-fn 5807 df-f 5808 df-f1 5809 df-fo 5810 df-f1o 5811 df-fv 5812 df-ov 6552 df-oprab 6553 df-mpt2 6554 df-om 6958 df-1st 7059 df-2nd 7060 df-supp 7183 df-1o 7447 df-er 7629 df-map 7746 df-en 7842 df-dom 7843 df-fin 7845 df-fsupp 8159 |
This theorem is referenced by: mapfien 8196 |
Copyright terms: Public domain | W3C validator |