Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > resslem | Structured version Visualization version GIF version |
Description: Other elements of a structure restriction. (Contributed by Mario Carneiro, 26-Nov-2014.) (Revised by Mario Carneiro, 2-Dec-2014.) |
Ref | Expression |
---|---|
resslem.r | ⊢ 𝑅 = (𝑊 ↾s 𝐴) |
resslem.e | ⊢ 𝐶 = (𝐸‘𝑊) |
resslem.f | ⊢ 𝐸 = Slot 𝑁 |
resslem.n | ⊢ 𝑁 ∈ ℕ |
resslem.b | ⊢ 1 < 𝑁 |
Ref | Expression |
---|---|
resslem | ⊢ (𝐴 ∈ 𝑉 → 𝐶 = (𝐸‘𝑅)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | resslem.e | . 2 ⊢ 𝐶 = (𝐸‘𝑊) | |
2 | resslem.r | . . . . . . 7 ⊢ 𝑅 = (𝑊 ↾s 𝐴) | |
3 | eqid 2758 | . . . . . . 7 ⊢ (Base‘𝑊) = (Base‘𝑊) | |
4 | 2, 3 | ressid2 16610 | . . . . . 6 ⊢ (((Base‘𝑊) ⊆ 𝐴 ∧ 𝑊 ∈ V ∧ 𝐴 ∈ 𝑉) → 𝑅 = 𝑊) |
5 | 4 | fveq2d 6662 | . . . . 5 ⊢ (((Base‘𝑊) ⊆ 𝐴 ∧ 𝑊 ∈ V ∧ 𝐴 ∈ 𝑉) → (𝐸‘𝑅) = (𝐸‘𝑊)) |
6 | 5 | 3expib 1119 | . . . 4 ⊢ ((Base‘𝑊) ⊆ 𝐴 → ((𝑊 ∈ V ∧ 𝐴 ∈ 𝑉) → (𝐸‘𝑅) = (𝐸‘𝑊))) |
7 | 2, 3 | ressval2 16611 | . . . . . . 7 ⊢ ((¬ (Base‘𝑊) ⊆ 𝐴 ∧ 𝑊 ∈ V ∧ 𝐴 ∈ 𝑉) → 𝑅 = (𝑊 sSet 〈(Base‘ndx), (𝐴 ∩ (Base‘𝑊))〉)) |
8 | 7 | fveq2d 6662 | . . . . . 6 ⊢ ((¬ (Base‘𝑊) ⊆ 𝐴 ∧ 𝑊 ∈ V ∧ 𝐴 ∈ 𝑉) → (𝐸‘𝑅) = (𝐸‘(𝑊 sSet 〈(Base‘ndx), (𝐴 ∩ (Base‘𝑊))〉))) |
9 | resslem.f | . . . . . . . 8 ⊢ 𝐸 = Slot 𝑁 | |
10 | resslem.n | . . . . . . . 8 ⊢ 𝑁 ∈ ℕ | |
11 | 9, 10 | ndxid 16567 | . . . . . . 7 ⊢ 𝐸 = Slot (𝐸‘ndx) |
12 | 9, 10 | ndxarg 16566 | . . . . . . . . 9 ⊢ (𝐸‘ndx) = 𝑁 |
13 | 1re 10679 | . . . . . . . . . 10 ⊢ 1 ∈ ℝ | |
14 | resslem.b | . . . . . . . . . 10 ⊢ 1 < 𝑁 | |
15 | 13, 14 | gtneii 10790 | . . . . . . . . 9 ⊢ 𝑁 ≠ 1 |
16 | 12, 15 | eqnetri 3021 | . . . . . . . 8 ⊢ (𝐸‘ndx) ≠ 1 |
17 | basendx 16605 | . . . . . . . 8 ⊢ (Base‘ndx) = 1 | |
18 | 16, 17 | neeqtrri 3024 | . . . . . . 7 ⊢ (𝐸‘ndx) ≠ (Base‘ndx) |
19 | 11, 18 | setsnid 16597 | . . . . . 6 ⊢ (𝐸‘𝑊) = (𝐸‘(𝑊 sSet 〈(Base‘ndx), (𝐴 ∩ (Base‘𝑊))〉)) |
20 | 8, 19 | eqtr4di 2811 | . . . . 5 ⊢ ((¬ (Base‘𝑊) ⊆ 𝐴 ∧ 𝑊 ∈ V ∧ 𝐴 ∈ 𝑉) → (𝐸‘𝑅) = (𝐸‘𝑊)) |
21 | 20 | 3expib 1119 | . . . 4 ⊢ (¬ (Base‘𝑊) ⊆ 𝐴 → ((𝑊 ∈ V ∧ 𝐴 ∈ 𝑉) → (𝐸‘𝑅) = (𝐸‘𝑊))) |
22 | 6, 21 | pm2.61i 185 | . . 3 ⊢ ((𝑊 ∈ V ∧ 𝐴 ∈ 𝑉) → (𝐸‘𝑅) = (𝐸‘𝑊)) |
23 | reldmress 16608 | . . . . . . . . 9 ⊢ Rel dom ↾s | |
24 | 23 | ovprc1 7189 | . . . . . . . 8 ⊢ (¬ 𝑊 ∈ V → (𝑊 ↾s 𝐴) = ∅) |
25 | 2, 24 | syl5eq 2805 | . . . . . . 7 ⊢ (¬ 𝑊 ∈ V → 𝑅 = ∅) |
26 | 25 | fveq2d 6662 | . . . . . 6 ⊢ (¬ 𝑊 ∈ V → (𝐸‘𝑅) = (𝐸‘∅)) |
27 | 9 | str0 16593 | . . . . . 6 ⊢ ∅ = (𝐸‘∅) |
28 | 26, 27 | eqtr4di 2811 | . . . . 5 ⊢ (¬ 𝑊 ∈ V → (𝐸‘𝑅) = ∅) |
29 | fvprc 6650 | . . . . 5 ⊢ (¬ 𝑊 ∈ V → (𝐸‘𝑊) = ∅) | |
30 | 28, 29 | eqtr4d 2796 | . . . 4 ⊢ (¬ 𝑊 ∈ V → (𝐸‘𝑅) = (𝐸‘𝑊)) |
31 | 30 | adantr 484 | . . 3 ⊢ ((¬ 𝑊 ∈ V ∧ 𝐴 ∈ 𝑉) → (𝐸‘𝑅) = (𝐸‘𝑊)) |
32 | 22, 31 | pm2.61ian 811 | . 2 ⊢ (𝐴 ∈ 𝑉 → (𝐸‘𝑅) = (𝐸‘𝑊)) |
33 | 1, 32 | eqtr4id 2812 | 1 ⊢ (𝐴 ∈ 𝑉 → 𝐶 = (𝐸‘𝑅)) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 ∧ wa 399 ∧ w3a 1084 = wceq 1538 ∈ wcel 2111 Vcvv 3409 ∩ cin 3857 ⊆ wss 3858 ∅c0 4225 〈cop 4528 class class class wbr 5032 ‘cfv 6335 (class class class)co 7150 1c1 10576 < clt 10713 ℕcn 11674 ndxcnx 16538 sSet csts 16539 Slot cslot 16540 Basecbs 16541 ↾s cress 16542 |
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 2729 ax-sep 5169 ax-nul 5176 ax-pow 5234 ax-pr 5298 ax-un 7459 ax-cnex 10631 ax-resscn 10632 ax-1cn 10633 ax-icn 10634 ax-addcl 10635 ax-mulcl 10637 ax-mulrcl 10638 ax-i2m1 10643 ax-1ne0 10644 ax-rrecex 10647 ax-cnre 10648 ax-pre-lttri 10649 ax-pre-lttrn 10650 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3or 1085 df-3an 1086 df-tru 1541 df-fal 1551 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2557 df-eu 2588 df-clab 2736 df-cleq 2750 df-clel 2830 df-nfc 2901 df-ne 2952 df-nel 3056 df-ral 3075 df-rex 3076 df-reu 3077 df-rab 3079 df-v 3411 df-sbc 3697 df-csb 3806 df-dif 3861 df-un 3863 df-in 3865 df-ss 3875 df-pss 3877 df-nul 4226 df-if 4421 df-pw 4496 df-sn 4523 df-pr 4525 df-tp 4527 df-op 4529 df-uni 4799 df-iun 4885 df-br 5033 df-opab 5095 df-mpt 5113 df-tr 5139 df-id 5430 df-eprel 5435 df-po 5443 df-so 5444 df-fr 5483 df-we 5485 df-xp 5530 df-rel 5531 df-cnv 5532 df-co 5533 df-dm 5534 df-rn 5535 df-res 5536 df-ima 5537 df-pred 6126 df-ord 6172 df-on 6173 df-lim 6174 df-suc 6175 df-iota 6294 df-fun 6337 df-fn 6338 df-f 6339 df-f1 6340 df-fo 6341 df-f1o 6342 df-fv 6343 df-ov 7153 df-oprab 7154 df-mpo 7155 df-om 7580 df-wrecs 7957 df-recs 8018 df-rdg 8056 df-er 8299 df-en 8528 df-dom 8529 df-sdom 8530 df-pnf 10715 df-mnf 10716 df-ltxr 10718 df-nn 11675 df-ndx 16544 df-slot 16545 df-base 16547 df-sets 16548 df-ress 16549 |
This theorem is referenced by: ressplusg 16670 ressmulr 16683 ressstarv 16684 resssca 16708 ressvsca 16709 ressip 16710 resstset 16723 ressle 16730 ressds 16744 resshom 16749 ressco 16750 ressunif 22963 |
Copyright terms: Public domain | W3C validator |