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Mirrors > Home > MPE Home > Th. List > Mathboxes > msubff | Structured version Visualization version GIF version |
Description: A substitution is a function from 𝐸 to 𝐸. (Contributed by Mario Carneiro, 18-Jul-2016.) |
Ref | Expression |
---|---|
msubff.v | ⊢ 𝑉 = (mVR‘𝑇) |
msubff.r | ⊢ 𝑅 = (mREx‘𝑇) |
msubff.s | ⊢ 𝑆 = (mSubst‘𝑇) |
msubff.e | ⊢ 𝐸 = (mEx‘𝑇) |
Ref | Expression |
---|---|
msubff | ⊢ (𝑇 ∈ 𝑊 → 𝑆:(𝑅 ↑pm 𝑉)⟶(𝐸 ↑m 𝐸)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | xp1st 7759 | . . . . . . . . 9 ⊢ (𝑒 ∈ ((mTC‘𝑇) × 𝑅) → (1st ‘𝑒) ∈ (mTC‘𝑇)) | |
2 | eqid 2739 | . . . . . . . . . 10 ⊢ (mTC‘𝑇) = (mTC‘𝑇) | |
3 | msubff.e | . . . . . . . . . 10 ⊢ 𝐸 = (mEx‘𝑇) | |
4 | msubff.r | . . . . . . . . . 10 ⊢ 𝑅 = (mREx‘𝑇) | |
5 | 2, 3, 4 | mexval 33048 | . . . . . . . . 9 ⊢ 𝐸 = ((mTC‘𝑇) × 𝑅) |
6 | 1, 5 | eleq2s 2852 | . . . . . . . 8 ⊢ (𝑒 ∈ 𝐸 → (1st ‘𝑒) ∈ (mTC‘𝑇)) |
7 | 6 | adantl 485 | . . . . . . 7 ⊢ (((𝑇 ∈ 𝑊 ∧ 𝑓 ∈ (𝑅 ↑pm 𝑉)) ∧ 𝑒 ∈ 𝐸) → (1st ‘𝑒) ∈ (mTC‘𝑇)) |
8 | msubff.v | . . . . . . . . . . 11 ⊢ 𝑉 = (mVR‘𝑇) | |
9 | eqid 2739 | . . . . . . . . . . 11 ⊢ (mRSubst‘𝑇) = (mRSubst‘𝑇) | |
10 | 8, 4, 9 | mrsubff 33058 | . . . . . . . . . 10 ⊢ (𝑇 ∈ 𝑊 → (mRSubst‘𝑇):(𝑅 ↑pm 𝑉)⟶(𝑅 ↑m 𝑅)) |
11 | 10 | ffvelrnda 6874 | . . . . . . . . 9 ⊢ ((𝑇 ∈ 𝑊 ∧ 𝑓 ∈ (𝑅 ↑pm 𝑉)) → ((mRSubst‘𝑇)‘𝑓) ∈ (𝑅 ↑m 𝑅)) |
12 | elmapi 8472 | . . . . . . . . 9 ⊢ (((mRSubst‘𝑇)‘𝑓) ∈ (𝑅 ↑m 𝑅) → ((mRSubst‘𝑇)‘𝑓):𝑅⟶𝑅) | |
13 | 11, 12 | syl 17 | . . . . . . . 8 ⊢ ((𝑇 ∈ 𝑊 ∧ 𝑓 ∈ (𝑅 ↑pm 𝑉)) → ((mRSubst‘𝑇)‘𝑓):𝑅⟶𝑅) |
14 | xp2nd 7760 | . . . . . . . . 9 ⊢ (𝑒 ∈ ((mTC‘𝑇) × 𝑅) → (2nd ‘𝑒) ∈ 𝑅) | |
15 | 14, 5 | eleq2s 2852 | . . . . . . . 8 ⊢ (𝑒 ∈ 𝐸 → (2nd ‘𝑒) ∈ 𝑅) |
16 | ffvelrn 6872 | . . . . . . . 8 ⊢ ((((mRSubst‘𝑇)‘𝑓):𝑅⟶𝑅 ∧ (2nd ‘𝑒) ∈ 𝑅) → (((mRSubst‘𝑇)‘𝑓)‘(2nd ‘𝑒)) ∈ 𝑅) | |
17 | 13, 15, 16 | syl2an 599 | . . . . . . 7 ⊢ (((𝑇 ∈ 𝑊 ∧ 𝑓 ∈ (𝑅 ↑pm 𝑉)) ∧ 𝑒 ∈ 𝐸) → (((mRSubst‘𝑇)‘𝑓)‘(2nd ‘𝑒)) ∈ 𝑅) |
18 | opelxp 5571 | . . . . . . 7 ⊢ (〈(1st ‘𝑒), (((mRSubst‘𝑇)‘𝑓)‘(2nd ‘𝑒))〉 ∈ ((mTC‘𝑇) × 𝑅) ↔ ((1st ‘𝑒) ∈ (mTC‘𝑇) ∧ (((mRSubst‘𝑇)‘𝑓)‘(2nd ‘𝑒)) ∈ 𝑅)) | |
19 | 7, 17, 18 | sylanbrc 586 | . . . . . 6 ⊢ (((𝑇 ∈ 𝑊 ∧ 𝑓 ∈ (𝑅 ↑pm 𝑉)) ∧ 𝑒 ∈ 𝐸) → 〈(1st ‘𝑒), (((mRSubst‘𝑇)‘𝑓)‘(2nd ‘𝑒))〉 ∈ ((mTC‘𝑇) × 𝑅)) |
20 | 19, 5 | eleqtrrdi 2845 | . . . . 5 ⊢ (((𝑇 ∈ 𝑊 ∧ 𝑓 ∈ (𝑅 ↑pm 𝑉)) ∧ 𝑒 ∈ 𝐸) → 〈(1st ‘𝑒), (((mRSubst‘𝑇)‘𝑓)‘(2nd ‘𝑒))〉 ∈ 𝐸) |
21 | 20 | fmpttd 6902 | . . . 4 ⊢ ((𝑇 ∈ 𝑊 ∧ 𝑓 ∈ (𝑅 ↑pm 𝑉)) → (𝑒 ∈ 𝐸 ↦ 〈(1st ‘𝑒), (((mRSubst‘𝑇)‘𝑓)‘(2nd ‘𝑒))〉):𝐸⟶𝐸) |
22 | 3 | fvexi 6701 | . . . . 5 ⊢ 𝐸 ∈ V |
23 | 22, 22 | elmap 8494 | . . . 4 ⊢ ((𝑒 ∈ 𝐸 ↦ 〈(1st ‘𝑒), (((mRSubst‘𝑇)‘𝑓)‘(2nd ‘𝑒))〉) ∈ (𝐸 ↑m 𝐸) ↔ (𝑒 ∈ 𝐸 ↦ 〈(1st ‘𝑒), (((mRSubst‘𝑇)‘𝑓)‘(2nd ‘𝑒))〉):𝐸⟶𝐸) |
24 | 21, 23 | sylibr 237 | . . 3 ⊢ ((𝑇 ∈ 𝑊 ∧ 𝑓 ∈ (𝑅 ↑pm 𝑉)) → (𝑒 ∈ 𝐸 ↦ 〈(1st ‘𝑒), (((mRSubst‘𝑇)‘𝑓)‘(2nd ‘𝑒))〉) ∈ (𝐸 ↑m 𝐸)) |
25 | 24 | fmpttd 6902 | . 2 ⊢ (𝑇 ∈ 𝑊 → (𝑓 ∈ (𝑅 ↑pm 𝑉) ↦ (𝑒 ∈ 𝐸 ↦ 〈(1st ‘𝑒), (((mRSubst‘𝑇)‘𝑓)‘(2nd ‘𝑒))〉)):(𝑅 ↑pm 𝑉)⟶(𝐸 ↑m 𝐸)) |
26 | msubff.s | . . . 4 ⊢ 𝑆 = (mSubst‘𝑇) | |
27 | 8, 4, 26, 3, 9 | msubffval 33069 | . . 3 ⊢ (𝑇 ∈ 𝑊 → 𝑆 = (𝑓 ∈ (𝑅 ↑pm 𝑉) ↦ (𝑒 ∈ 𝐸 ↦ 〈(1st ‘𝑒), (((mRSubst‘𝑇)‘𝑓)‘(2nd ‘𝑒))〉))) |
28 | 27 | feq1d 6500 | . 2 ⊢ (𝑇 ∈ 𝑊 → (𝑆:(𝑅 ↑pm 𝑉)⟶(𝐸 ↑m 𝐸) ↔ (𝑓 ∈ (𝑅 ↑pm 𝑉) ↦ (𝑒 ∈ 𝐸 ↦ 〈(1st ‘𝑒), (((mRSubst‘𝑇)‘𝑓)‘(2nd ‘𝑒))〉)):(𝑅 ↑pm 𝑉)⟶(𝐸 ↑m 𝐸))) |
29 | 25, 28 | mpbird 260 | 1 ⊢ (𝑇 ∈ 𝑊 → 𝑆:(𝑅 ↑pm 𝑉)⟶(𝐸 ↑m 𝐸)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 399 = wceq 1542 ∈ wcel 2114 〈cop 4532 ↦ cmpt 5120 × cxp 5533 ⟶wf 6346 ‘cfv 6350 (class class class)co 7183 1st c1st 7725 2nd c2nd 7726 ↑m cmap 8450 ↑pm cpm 8451 mVRcmvar 33007 mTCcmtc 33010 mRExcmrex 33012 mExcmex 33013 mRSubstcmrsub 33016 mSubstcmsub 33017 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1975 ax-7 2020 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2162 ax-12 2179 ax-ext 2711 ax-rep 5164 ax-sep 5177 ax-nul 5184 ax-pow 5242 ax-pr 5306 ax-un 7492 ax-cnex 10684 ax-resscn 10685 ax-1cn 10686 ax-icn 10687 ax-addcl 10688 ax-addrcl 10689 ax-mulcl 10690 ax-mulrcl 10691 ax-mulcom 10692 ax-addass 10693 ax-mulass 10694 ax-distr 10695 ax-i2m1 10696 ax-1ne0 10697 ax-1rid 10698 ax-rnegex 10699 ax-rrecex 10700 ax-cnre 10701 ax-pre-lttri 10702 ax-pre-lttrn 10703 ax-pre-ltadd 10704 ax-pre-mulgt0 10705 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 847 df-3or 1089 df-3an 1090 df-tru 1545 df-fal 1555 df-ex 1787 df-nf 1791 df-sb 2075 df-mo 2541 df-eu 2571 df-clab 2718 df-cleq 2731 df-clel 2812 df-nfc 2882 df-ne 2936 df-nel 3040 df-ral 3059 df-rex 3060 df-reu 3061 df-rmo 3062 df-rab 3063 df-v 3402 df-sbc 3686 df-csb 3801 df-dif 3856 df-un 3858 df-in 3860 df-ss 3870 df-pss 3872 df-nul 4222 df-if 4425 df-pw 4500 df-sn 4527 df-pr 4529 df-tp 4531 df-op 4533 df-uni 4807 df-int 4847 df-iun 4893 df-br 5041 df-opab 5103 df-mpt 5121 df-tr 5147 df-id 5439 df-eprel 5444 df-po 5452 df-so 5453 df-fr 5493 df-we 5495 df-xp 5541 df-rel 5542 df-cnv 5543 df-co 5544 df-dm 5545 df-rn 5546 df-res 5547 df-ima 5548 df-pred 6139 df-ord 6186 df-on 6187 df-lim 6188 df-suc 6189 df-iota 6308 df-fun 6352 df-fn 6353 df-f 6354 df-f1 6355 df-fo 6356 df-f1o 6357 df-fv 6358 df-riota 7140 df-ov 7186 df-oprab 7187 df-mpo 7188 df-om 7613 df-1st 7727 df-2nd 7728 df-wrecs 7989 df-recs 8050 df-rdg 8088 df-1o 8144 df-er 8333 df-map 8452 df-pm 8453 df-en 8569 df-dom 8570 df-sdom 8571 df-fin 8572 df-card 9454 df-pnf 10768 df-mnf 10769 df-xr 10770 df-ltxr 10771 df-le 10772 df-sub 10963 df-neg 10964 df-nn 11730 df-2 11792 df-n0 11990 df-z 12076 df-uz 12338 df-fz 12995 df-fzo 13138 df-seq 13474 df-hash 13796 df-word 13969 df-concat 14025 df-s1 14052 df-struct 16601 df-ndx 16602 df-slot 16603 df-base 16605 df-sets 16606 df-ress 16607 df-plusg 16694 df-0g 16831 df-gsum 16832 df-mgm 17981 df-sgrp 18030 df-mnd 18041 df-submnd 18086 df-frmd 18143 df-mrex 33032 df-mex 33033 df-mrsub 33036 df-msub 33037 |
This theorem is referenced by: msubf 33078 msubff1 33102 mclsind 33116 |
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