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Mathbox for Emmett Weisz |
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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 2798 | . 2 ⊢ setrecs(𝐹) = setrecs(𝐹) | |
2 | setrecsss.2 | . . . . . . . . 9 ⊢ (𝜑 → 𝐹 ⊆ 𝐺) | |
3 | imass1 5931 | . . . . . . . . 9 ⊢ (𝐹 ⊆ 𝐺 → (𝐹 “ {𝑥}) ⊆ (𝐺 “ {𝑥})) | |
4 | 2, 3 | syl 17 | . . . . . . . 8 ⊢ (𝜑 → (𝐹 “ {𝑥}) ⊆ (𝐺 “ {𝑥})) |
5 | 4 | unissd 4810 | . . . . . . 7 ⊢ (𝜑 → ∪ (𝐹 “ {𝑥}) ⊆ ∪ (𝐺 “ {𝑥})) |
6 | setrecsss.1 | . . . . . . . . 9 ⊢ (𝜑 → Fun 𝐺) | |
7 | funss 6343 | . . . . . . . . 9 ⊢ (𝐹 ⊆ 𝐺 → (Fun 𝐺 → Fun 𝐹)) | |
8 | 2, 6, 7 | sylc 65 | . . . . . . . 8 ⊢ (𝜑 → Fun 𝐹) |
9 | funfv 6725 | . . . . . . . 8 ⊢ (Fun 𝐹 → (𝐹‘𝑥) = ∪ (𝐹 “ {𝑥})) | |
10 | 8, 9 | syl 17 | . . . . . . 7 ⊢ (𝜑 → (𝐹‘𝑥) = ∪ (𝐹 “ {𝑥})) |
11 | funfv 6725 | . . . . . . . 8 ⊢ (Fun 𝐺 → (𝐺‘𝑥) = ∪ (𝐺 “ {𝑥})) | |
12 | 6, 11 | syl 17 | . . . . . . 7 ⊢ (𝜑 → (𝐺‘𝑥) = ∪ (𝐺 “ {𝑥})) |
13 | 5, 10, 12 | 3sstr4d 3962 | . . . . . 6 ⊢ (𝜑 → (𝐹‘𝑥) ⊆ (𝐺‘𝑥)) |
14 | 13 | adantr 484 | . . . . 5 ⊢ ((𝜑 ∧ 𝑥 ⊆ setrecs(𝐺)) → (𝐹‘𝑥) ⊆ (𝐺‘𝑥)) |
15 | eqid 2798 | . . . . . 6 ⊢ setrecs(𝐺) = setrecs(𝐺) | |
16 | vex 3444 | . . . . . . 7 ⊢ 𝑥 ∈ V | |
17 | 16 | a1i 11 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑥 ⊆ setrecs(𝐺)) → 𝑥 ∈ V) |
18 | simpr 488 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑥 ⊆ setrecs(𝐺)) → 𝑥 ⊆ setrecs(𝐺)) | |
19 | 15, 17, 18 | setrec1 45221 | . . . . 5 ⊢ ((𝜑 ∧ 𝑥 ⊆ setrecs(𝐺)) → (𝐺‘𝑥) ⊆ setrecs(𝐺)) |
20 | 14, 19 | sstrd 3925 | . . . 4 ⊢ ((𝜑 ∧ 𝑥 ⊆ setrecs(𝐺)) → (𝐹‘𝑥) ⊆ setrecs(𝐺)) |
21 | 20 | ex 416 | . . 3 ⊢ (𝜑 → (𝑥 ⊆ setrecs(𝐺) → (𝐹‘𝑥) ⊆ setrecs(𝐺))) |
22 | 21 | alrimiv 1928 | . 2 ⊢ (𝜑 → ∀𝑥(𝑥 ⊆ setrecs(𝐺) → (𝐹‘𝑥) ⊆ setrecs(𝐺))) |
23 | 1, 22 | setrec2v 45226 | 1 ⊢ (𝜑 → setrecs(𝐹) ⊆ setrecs(𝐺)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 399 = wceq 1538 ∈ wcel 2111 Vcvv 3441 ⊆ wss 3881 {csn 4525 ∪ cuni 4800 “ cima 5522 Fun wfun 6318 ‘cfv 6324 setrecscsetrecs 45213 |
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 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2770 ax-rep 5154 ax-sep 5167 ax-nul 5174 ax-pow 5231 ax-pr 5295 ax-un 7441 ax-reg 9040 ax-inf2 9088 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3or 1085 df-3an 1086 df-tru 1541 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2598 df-eu 2629 df-clab 2777 df-cleq 2791 df-clel 2870 df-nfc 2938 df-ne 2988 df-ral 3111 df-rex 3112 df-reu 3113 df-rab 3115 df-v 3443 df-sbc 3721 df-csb 3829 df-dif 3884 df-un 3886 df-in 3888 df-ss 3898 df-pss 3900 df-nul 4244 df-if 4426 df-pw 4499 df-sn 4526 df-pr 4528 df-tp 4530 df-op 4532 df-uni 4801 df-int 4839 df-iun 4883 df-iin 4884 df-br 5031 df-opab 5093 df-mpt 5111 df-tr 5137 df-id 5425 df-eprel 5430 df-po 5438 df-so 5439 df-fr 5478 df-we 5480 df-xp 5525 df-rel 5526 df-cnv 5527 df-co 5528 df-dm 5529 df-rn 5530 df-res 5531 df-ima 5532 df-pred 6116 df-ord 6162 df-on 6163 df-lim 6164 df-suc 6165 df-iota 6283 df-fun 6326 df-fn 6327 df-f 6328 df-f1 6329 df-fo 6330 df-f1o 6331 df-fv 6332 df-om 7561 df-wrecs 7930 df-recs 7991 df-rdg 8029 df-r1 9177 df-rank 9178 df-setrecs 45214 |
This theorem is referenced by: setrecsres 45231 |
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