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| Mirrors > Home > MPE Home > Th. List > Mathboxes > iblsplitf | Structured version Visualization version GIF version | ||
| Description: A version of iblsplit 46802 using bound-variable hypotheses instead of distinct variable conditions". (Contributed by Glauco Siliprandi, 11-Dec-2019.) |
| Ref | Expression |
|---|---|
| iblsplitf.X | ⊢ Ⅎ𝑥𝜑 |
| iblsplitf.vol | ⊢ (𝜑 → (vol*‘(𝐴 ∩ 𝐵)) = 0) |
| iblsplitf.u | ⊢ (𝜑 → 𝑈 = (𝐴 ∪ 𝐵)) |
| iblsplitf.c | ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑈) → 𝐶 ∈ ℂ) |
| iblsplitf.a | ⊢ (𝜑 → (𝑥 ∈ 𝐴 ↦ 𝐶) ∈ 𝐿1) |
| iblsplitf.b | ⊢ (𝜑 → (𝑥 ∈ 𝐵 ↦ 𝐶) ∈ 𝐿1) |
| Ref | Expression |
|---|---|
| iblsplitf | ⊢ (𝜑 → (𝑥 ∈ 𝑈 ↦ 𝐶) ∈ 𝐿1) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nfcv 2924 | . . 3 ⊢ Ⅎ𝑦𝐶 | |
| 2 | nfcsb1v 3874 | . . 3 ⊢ Ⅎ𝑥⦋𝑦 / 𝑥⦌𝐶 | |
| 3 | csbeq1a 3864 | . . 3 ⊢ (𝑥 = 𝑦 → 𝐶 = ⦋𝑦 / 𝑥⦌𝐶) | |
| 4 | 1, 2, 3 | cbvmpt 5211 | . 2 ⊢ (𝑥 ∈ 𝑈 ↦ 𝐶) = (𝑦 ∈ 𝑈 ↦ ⦋𝑦 / 𝑥⦌𝐶) |
| 5 | iblsplitf.vol | . . 3 ⊢ (𝜑 → (vol*‘(𝐴 ∩ 𝐵)) = 0) | |
| 6 | iblsplitf.u | . . 3 ⊢ (𝜑 → 𝑈 = (𝐴 ∪ 𝐵)) | |
| 7 | simpr 490 | . . . 4 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝑈) → 𝑦 ∈ 𝑈) | |
| 8 | iblsplitf.X | . . . . . 6 ⊢ Ⅎ𝑥𝜑 | |
| 9 | nfv 1947 | . . . . . 6 ⊢ Ⅎ𝑥 𝑦 ∈ 𝑈 | |
| 10 | 8, 9 | nfan 1932 | . . . . 5 ⊢ Ⅎ𝑥(𝜑 ∧ 𝑦 ∈ 𝑈) |
| 11 | iblsplitf.c | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑈) → 𝐶 ∈ ℂ) | |
| 12 | 11 | adantlr 728 | . . . . . 6 ⊢ (((𝜑 ∧ 𝑦 ∈ 𝑈) ∧ 𝑥 ∈ 𝑈) → 𝐶 ∈ ℂ) |
| 13 | 12 | ex 418 | . . . . 5 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝑈) → (𝑥 ∈ 𝑈 → 𝐶 ∈ ℂ)) |
| 14 | 10, 13 | ralrimi 3262 | . . . 4 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝑈) → ∀𝑥 ∈ 𝑈 𝐶 ∈ ℂ) |
| 15 | rspcsbela 4399 | . . . 4 ⊢ ((𝑦 ∈ 𝑈 ∧ ∀𝑥 ∈ 𝑈 𝐶 ∈ ℂ) → ⦋𝑦 / 𝑥⦌𝐶 ∈ ℂ) | |
| 16 | 7, 14, 15 | syl2anc 596 | . . 3 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝑈) → ⦋𝑦 / 𝑥⦌𝐶 ∈ ℂ) |
| 17 | 3 | equcoms 2053 | . . . . . 6 ⊢ (𝑦 = 𝑥 → 𝐶 = ⦋𝑦 / 𝑥⦌𝐶) |
| 18 | 17 | eqcomd 2768 | . . . . 5 ⊢ (𝑦 = 𝑥 → ⦋𝑦 / 𝑥⦌𝐶 = 𝐶) |
| 19 | 2, 1, 18 | cbvmpt 5211 | . . . 4 ⊢ (𝑦 ∈ 𝐴 ↦ ⦋𝑦 / 𝑥⦌𝐶) = (𝑥 ∈ 𝐴 ↦ 𝐶) |
| 20 | iblsplitf.a | . . . 4 ⊢ (𝜑 → (𝑥 ∈ 𝐴 ↦ 𝐶) ∈ 𝐿1) | |
| 21 | 19, 20 | eqeltrid 2866 | . . 3 ⊢ (𝜑 → (𝑦 ∈ 𝐴 ↦ ⦋𝑦 / 𝑥⦌𝐶) ∈ 𝐿1) |
| 22 | 2, 1, 18 | cbvmpt 5211 | . . . 4 ⊢ (𝑦 ∈ 𝐵 ↦ ⦋𝑦 / 𝑥⦌𝐶) = (𝑥 ∈ 𝐵 ↦ 𝐶) |
| 23 | iblsplitf.b | . . . 4 ⊢ (𝜑 → (𝑥 ∈ 𝐵 ↦ 𝐶) ∈ 𝐿1) | |
| 24 | 22, 23 | eqeltrid 2866 | . . 3 ⊢ (𝜑 → (𝑦 ∈ 𝐵 ↦ ⦋𝑦 / 𝑥⦌𝐶) ∈ 𝐿1) |
| 25 | 5, 6, 16, 21, 24 | iblsplit 46802 | . 2 ⊢ (𝜑 → (𝑦 ∈ 𝑈 ↦ ⦋𝑦 / 𝑥⦌𝐶) ∈ 𝐿1) |
| 26 | 4, 25 | eqeltrid 2866 | 1 ⊢ (𝜑 → (𝑥 ∈ 𝑈 ↦ 𝐶) ∈ 𝐿1) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1570 Ⅎwnf 1816 ∈ wcel 2145 ∀wral 3078 ⦋csb 3850 ∪ cun 3900 ∩ cin 3901 ↦ cmpt 5190 ‘cfv 6537 ℂcc 11126 0cc0 11128 vol*covol 25696 𝐿1cibl 25851 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2734 ax-rep 5236 ax-sep 5255 ax-nul 5267 ax-pow 5334 ax-pr 5402 ax-un 7740 ax-inf2 9624 ax-cnex 11184 ax-resscn 11185 ax-1cn 11186 ax-icn 11187 ax-addcl 11188 ax-addrcl 11189 ax-mulcl 11190 ax-mulrcl 11191 ax-mulcom 11192 ax-addass 11193 ax-mulass 11194 ax-distr 11195 ax-i2m1 11196 ax-1ne0 11197 ax-1rid 11198 ax-rnegex 11199 ax-rrecex 11200 ax-cnre 11201 ax-pre-lttri 11202 ax-pre-lttrn 11203 ax-pre-ltadd 11204 ax-pre-mulgt0 11205 ax-pre-sup 11206 ax-addf 11207 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-nel 3064 df-ral 3079 df-rex 3089 df-rmo 3367 df-reu 3368 df-rab 3415 df-v 3455 df-sbc 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4283 df-if 4486 df-pw 4562 df-sn 4588 df-pr 4590 df-op 4594 df-uni 4871 df-int 4911 df-iun 4956 df-disj 5075 df-br 5108 df-opab 5172 df-mpt 5191 df-tr 5217 df-id 5554 df-eprel 5559 df-po 5567 df-so 5568 df-fr 5612 df-se 5613 df-we 5614 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-pred 6303 df-ord 6364 df-on 6365 df-lim 6366 df-suc 6367 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-isom 6546 df-riota 7374 df-ov 7420 df-oprab 7421 df-mpo 7422 df-of 7682 df-ofr 7683 df-om 7867 df-1st 7990 df-2nd 7991 df-frecs 8284 df-wrecs 8315 df-recs 8364 df-rdg 8403 df-1o 8459 df-2o 8460 df-er 8700 df-map 8832 df-pm 8833 df-en 8957 df-dom 8958 df-sdom 8959 df-fin 8960 df-fi 9385 df-sup 9416 df-inf 9417 df-oi 9486 df-dju 9910 df-card 9948 df-pnf 11273 df-mnf 11274 df-xr 11275 df-ltxr 11276 df-le 11277 df-sub 11471 df-neg 11472 df-div 11900 df-nn 12262 df-2 12331 df-3 12332 df-n0 12533 df-z 12620 df-uz 12892 df-q 13002 df-rp 13047 df-xneg 13167 df-xadd 13168 df-xmul 13169 df-ioo 13406 df-ico 13408 df-icc 13409 df-fz 13566 df-fzo 13714 df-fl 13857 df-seq 14070 df-exp 14130 df-hash 14399 df-cj 15190 df-re 15191 df-im 15192 df-sqrt 15326 df-abs 15327 df-clim 15579 df-sum 15778 df-rest 17513 df-topgen 17534 df-psmet 21583 df-xmet 21584 df-met 21585 df-bl 21586 df-mopn 21587 df-top 23125 df-topon 23142 df-bases 23177 df-cmp 23618 df-ovol 25698 df-vol 25699 df-mbf 25853 df-itg1 25854 df-itg2 25855 df-ibl 25856 |
| This theorem is used by: iblspltprt 46809 |
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