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Mirrors > Home > MPE Home > Th. List > Mathboxes > setrecsss | Structured version Visualization version GIF version |
Description: The setrecs operator respects the subset relation between two functions 𝐹 and 𝐺. (Contributed by Emmett Weisz, 13-Mar-2022.) |
Ref | Expression |
---|---|
setrecsss.1 | ⊢ (𝜑 → Fun 𝐺) |
setrecsss.2 | ⊢ (𝜑 → 𝐹 ⊆ 𝐺) |
Ref | Expression |
---|---|
setrecsss | ⊢ (𝜑 → setrecs(𝐹) ⊆ setrecs(𝐺)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqid 2738 | . 2 ⊢ setrecs(𝐹) = setrecs(𝐹) | |
2 | setrecsss.2 | . . . . . . . . 9 ⊢ (𝜑 → 𝐹 ⊆ 𝐺) | |
3 | imass1 6009 | . . . . . . . . 9 ⊢ (𝐹 ⊆ 𝐺 → (𝐹 “ {𝑥}) ⊆ (𝐺 “ {𝑥})) | |
4 | 2, 3 | syl 17 | . . . . . . . 8 ⊢ (𝜑 → (𝐹 “ {𝑥}) ⊆ (𝐺 “ {𝑥})) |
5 | 4 | unissd 4849 | . . . . . . 7 ⊢ (𝜑 → ∪ (𝐹 “ {𝑥}) ⊆ ∪ (𝐺 “ {𝑥})) |
6 | setrecsss.1 | . . . . . . . . 9 ⊢ (𝜑 → Fun 𝐺) | |
7 | funss 6453 | . . . . . . . . 9 ⊢ (𝐹 ⊆ 𝐺 → (Fun 𝐺 → Fun 𝐹)) | |
8 | 2, 6, 7 | sylc 65 | . . . . . . . 8 ⊢ (𝜑 → Fun 𝐹) |
9 | funfv 6855 | . . . . . . . 8 ⊢ (Fun 𝐹 → (𝐹‘𝑥) = ∪ (𝐹 “ {𝑥})) | |
10 | 8, 9 | syl 17 | . . . . . . 7 ⊢ (𝜑 → (𝐹‘𝑥) = ∪ (𝐹 “ {𝑥})) |
11 | funfv 6855 | . . . . . . . 8 ⊢ (Fun 𝐺 → (𝐺‘𝑥) = ∪ (𝐺 “ {𝑥})) | |
12 | 6, 11 | syl 17 | . . . . . . 7 ⊢ (𝜑 → (𝐺‘𝑥) = ∪ (𝐺 “ {𝑥})) |
13 | 5, 10, 12 | 3sstr4d 3968 | . . . . . 6 ⊢ (𝜑 → (𝐹‘𝑥) ⊆ (𝐺‘𝑥)) |
14 | 13 | adantr 481 | . . . . 5 ⊢ ((𝜑 ∧ 𝑥 ⊆ setrecs(𝐺)) → (𝐹‘𝑥) ⊆ (𝐺‘𝑥)) |
15 | eqid 2738 | . . . . . 6 ⊢ setrecs(𝐺) = setrecs(𝐺) | |
16 | vex 3436 | . . . . . . 7 ⊢ 𝑥 ∈ V | |
17 | 16 | a1i 11 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑥 ⊆ setrecs(𝐺)) → 𝑥 ∈ V) |
18 | simpr 485 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑥 ⊆ setrecs(𝐺)) → 𝑥 ⊆ setrecs(𝐺)) | |
19 | 15, 17, 18 | setrec1 46397 | . . . . 5 ⊢ ((𝜑 ∧ 𝑥 ⊆ setrecs(𝐺)) → (𝐺‘𝑥) ⊆ setrecs(𝐺)) |
20 | 14, 19 | sstrd 3931 | . . . 4 ⊢ ((𝜑 ∧ 𝑥 ⊆ setrecs(𝐺)) → (𝐹‘𝑥) ⊆ setrecs(𝐺)) |
21 | 20 | ex 413 | . . 3 ⊢ (𝜑 → (𝑥 ⊆ setrecs(𝐺) → (𝐹‘𝑥) ⊆ setrecs(𝐺))) |
22 | 21 | alrimiv 1930 | . 2 ⊢ (𝜑 → ∀𝑥(𝑥 ⊆ setrecs(𝐺) → (𝐹‘𝑥) ⊆ setrecs(𝐺))) |
23 | 1, 22 | setrec2v 46402 | 1 ⊢ (𝜑 → setrecs(𝐹) ⊆ setrecs(𝐺)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 396 = wceq 1539 ∈ wcel 2106 Vcvv 3432 ⊆ wss 3887 {csn 4561 ∪ cuni 4839 “ cima 5592 Fun wfun 6427 ‘cfv 6433 setrecscsetrecs 46389 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2709 ax-rep 5209 ax-sep 5223 ax-nul 5230 ax-pow 5288 ax-pr 5352 ax-un 7588 ax-reg 9351 ax-inf2 9399 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ne 2944 df-ral 3069 df-rex 3070 df-reu 3072 df-rab 3073 df-v 3434 df-sbc 3717 df-csb 3833 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-pss 3906 df-nul 4257 df-if 4460 df-pw 4535 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4840 df-int 4880 df-iun 4926 df-iin 4927 df-br 5075 df-opab 5137 df-mpt 5158 df-tr 5192 df-id 5489 df-eprel 5495 df-po 5503 df-so 5504 df-fr 5544 df-we 5546 df-xp 5595 df-rel 5596 df-cnv 5597 df-co 5598 df-dm 5599 df-rn 5600 df-res 5601 df-ima 5602 df-pred 6202 df-ord 6269 df-on 6270 df-lim 6271 df-suc 6272 df-iota 6391 df-fun 6435 df-fn 6436 df-f 6437 df-f1 6438 df-fo 6439 df-f1o 6440 df-fv 6441 df-ov 7278 df-om 7713 df-2nd 7832 df-frecs 8097 df-wrecs 8128 df-recs 8202 df-rdg 8241 df-r1 9522 df-rank 9523 df-setrecs 46390 |
This theorem is referenced by: setrecsres 46407 |
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