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| Mirrors > Home > MPE Home > Th. List > psrbagconcl | Structured version Visualization version GIF version | ||
| Description: The complement of a bag is a bag. (Contributed by Mario Carneiro, 29-Dec-2014.) Remove a sethood antecedent. (Revised by SN, 6-Aug-2024.) |
| Ref | Expression |
|---|---|
| psrbag.d | ⊢ 𝐷 = {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} |
| psrbagconf1o.s | ⊢ 𝑆 = {𝑦 ∈ 𝐷 ∣ 𝑦 ∘r ≤ 𝐹} |
| Ref | Expression |
|---|---|
| psrbagconcl | ⊢ ((𝐹 ∈ 𝐷 ∧ 𝑋 ∈ 𝑆) → (𝐹 ∘f − 𝑋) ∈ 𝑆) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | simpl 482 | . . 3 ⊢ ((𝐹 ∈ 𝐷 ∧ 𝑋 ∈ 𝑆) → 𝐹 ∈ 𝐷) | |
| 2 | simpr 484 | . . . . . 6 ⊢ ((𝐹 ∈ 𝐷 ∧ 𝑋 ∈ 𝑆) → 𝑋 ∈ 𝑆) | |
| 3 | breq1 5122 | . . . . . . 7 ⊢ (𝑦 = 𝑋 → (𝑦 ∘r ≤ 𝐹 ↔ 𝑋 ∘r ≤ 𝐹)) | |
| 4 | psrbagconf1o.s | . . . . . . 7 ⊢ 𝑆 = {𝑦 ∈ 𝐷 ∣ 𝑦 ∘r ≤ 𝐹} | |
| 5 | 3, 4 | elrab2 3674 | . . . . . 6 ⊢ (𝑋 ∈ 𝑆 ↔ (𝑋 ∈ 𝐷 ∧ 𝑋 ∘r ≤ 𝐹)) |
| 6 | 2, 5 | sylib 218 | . . . . 5 ⊢ ((𝐹 ∈ 𝐷 ∧ 𝑋 ∈ 𝑆) → (𝑋 ∈ 𝐷 ∧ 𝑋 ∘r ≤ 𝐹)) |
| 7 | 6 | simpld 494 | . . . 4 ⊢ ((𝐹 ∈ 𝐷 ∧ 𝑋 ∈ 𝑆) → 𝑋 ∈ 𝐷) |
| 8 | psrbag.d | . . . . 5 ⊢ 𝐷 = {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} | |
| 9 | 8 | psrbagf 21878 | . . . 4 ⊢ (𝑋 ∈ 𝐷 → 𝑋:𝐼⟶ℕ0) |
| 10 | 7, 9 | syl 17 | . . 3 ⊢ ((𝐹 ∈ 𝐷 ∧ 𝑋 ∈ 𝑆) → 𝑋:𝐼⟶ℕ0) |
| 11 | 6 | simprd 495 | . . 3 ⊢ ((𝐹 ∈ 𝐷 ∧ 𝑋 ∈ 𝑆) → 𝑋 ∘r ≤ 𝐹) |
| 12 | 8 | psrbagcon 21885 | . . 3 ⊢ ((𝐹 ∈ 𝐷 ∧ 𝑋:𝐼⟶ℕ0 ∧ 𝑋 ∘r ≤ 𝐹) → ((𝐹 ∘f − 𝑋) ∈ 𝐷 ∧ (𝐹 ∘f − 𝑋) ∘r ≤ 𝐹)) |
| 13 | 1, 10, 11, 12 | syl3anc 1373 | . 2 ⊢ ((𝐹 ∈ 𝐷 ∧ 𝑋 ∈ 𝑆) → ((𝐹 ∘f − 𝑋) ∈ 𝐷 ∧ (𝐹 ∘f − 𝑋) ∘r ≤ 𝐹)) |
| 14 | breq1 5122 | . . 3 ⊢ (𝑦 = (𝐹 ∘f − 𝑋) → (𝑦 ∘r ≤ 𝐹 ↔ (𝐹 ∘f − 𝑋) ∘r ≤ 𝐹)) | |
| 15 | 14, 4 | elrab2 3674 | . 2 ⊢ ((𝐹 ∘f − 𝑋) ∈ 𝑆 ↔ ((𝐹 ∘f − 𝑋) ∈ 𝐷 ∧ (𝐹 ∘f − 𝑋) ∘r ≤ 𝐹)) |
| 16 | 13, 15 | sylibr 234 | 1 ⊢ ((𝐹 ∈ 𝐷 ∧ 𝑋 ∈ 𝑆) → (𝐹 ∘f − 𝑋) ∈ 𝑆) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1540 ∈ wcel 2108 {crab 3415 class class class wbr 5119 ◡ccnv 5653 “ cima 5657 ⟶wf 6527 (class class class)co 7405 ∘f cof 7669 ∘r cofr 7670 ↑m cmap 8840 Fincfn 8959 ≤ cle 11270 − cmin 11466 ℕcn 12240 ℕ0cn0 12501 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2007 ax-8 2110 ax-9 2118 ax-10 2141 ax-11 2157 ax-12 2177 ax-ext 2707 ax-rep 5249 ax-sep 5266 ax-nul 5276 ax-pow 5335 ax-pr 5402 ax-un 7729 ax-cnex 11185 ax-resscn 11186 ax-1cn 11187 ax-icn 11188 ax-addcl 11189 ax-addrcl 11190 ax-mulcl 11191 ax-mulrcl 11192 ax-mulcom 11193 ax-addass 11194 ax-mulass 11195 ax-distr 11196 ax-i2m1 11197 ax-1ne0 11198 ax-1rid 11199 ax-rnegex 11200 ax-rrecex 11201 ax-cnre 11202 ax-pre-lttri 11203 ax-pre-lttrn 11204 ax-pre-ltadd 11205 ax-pre-mulgt0 11206 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2065 df-mo 2539 df-eu 2568 df-clab 2714 df-cleq 2727 df-clel 2809 df-nfc 2885 df-ne 2933 df-nel 3037 df-ral 3052 df-rex 3061 df-reu 3360 df-rab 3416 df-v 3461 df-sbc 3766 df-csb 3875 df-dif 3929 df-un 3931 df-in 3933 df-ss 3943 df-pss 3946 df-nul 4309 df-if 4501 df-pw 4577 df-sn 4602 df-pr 4604 df-op 4608 df-uni 4884 df-iun 4969 df-br 5120 df-opab 5182 df-mpt 5202 df-tr 5230 df-id 5548 df-eprel 5553 df-po 5561 df-so 5562 df-fr 5606 df-we 5608 df-xp 5660 df-rel 5661 df-cnv 5662 df-co 5663 df-dm 5664 df-rn 5665 df-res 5666 df-ima 5667 df-pred 6290 df-ord 6355 df-on 6356 df-lim 6357 df-suc 6358 df-iota 6484 df-fun 6533 df-fn 6534 df-f 6535 df-f1 6536 df-fo 6537 df-f1o 6538 df-fv 6539 df-riota 7362 df-ov 7408 df-oprab 7409 df-mpo 7410 df-of 7671 df-ofr 7672 df-om 7862 df-1st 7988 df-2nd 7989 df-supp 8160 df-frecs 8280 df-wrecs 8311 df-recs 8385 df-rdg 8424 df-1o 8480 df-er 8719 df-map 8842 df-en 8960 df-dom 8961 df-sdom 8962 df-fin 8963 df-pnf 11271 df-mnf 11272 df-xr 11273 df-ltxr 11274 df-le 11275 df-sub 11468 df-neg 11469 df-nn 12241 df-n0 12502 |
| This theorem is referenced by: psrbagconf1o 21889 psrass1lem 21892 psrdi 21925 psrdir 21926 psrass23l 21927 psrcom 21928 psrass23 21929 resspsrmul 21936 mplsubrglem 21964 mplmonmul 21994 mhpmulcl 22087 psdmul 22104 psropprmul 22173 rhmcomulmpl 22320 mdegmullem 26035 rhmcomulpsr 42574 |
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