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| Mirrors > Home > MPE Home > Th. List > ressbasssOLD | Structured version Visualization version GIF version | ||
| Description: Obsolete version of ressbas 17147 as of 25-Feb-2025. (Contributed by Stefan O'Rear, 27-Nov-2014.) (Revised by Mario Carneiro, 30-Apr-2015.) (New usage is discouraged.) (Proof modification is discouraged.) |
| Ref | Expression |
|---|---|
| ressbas.r | ⊢ 𝑅 = (𝑊 ↾s 𝐴) |
| ressbas.b | ⊢ 𝐵 = (Base‘𝑊) |
| Ref | Expression |
|---|---|
| ressbasssOLD | ⊢ (Base‘𝑅) ⊆ 𝐵 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ressbas.r | . . . 4 ⊢ 𝑅 = (𝑊 ↾s 𝐴) | |
| 2 | ressbas.b | . . . 4 ⊢ 𝐵 = (Base‘𝑊) | |
| 3 | 1, 2 | ressbas 17147 | . . 3 ⊢ (𝐴 ∈ V → (𝐴 ∩ 𝐵) = (Base‘𝑅)) |
| 4 | inss2 4189 | . . 3 ⊢ (𝐴 ∩ 𝐵) ⊆ 𝐵 | |
| 5 | 3, 4 | eqsstrrdi 3981 | . 2 ⊢ (𝐴 ∈ V → (Base‘𝑅) ⊆ 𝐵) |
| 6 | reldmress 17143 | . . . . . 6 ⊢ Rel dom ↾s | |
| 7 | 6 | ovprc2 7389 | . . . . 5 ⊢ (¬ 𝐴 ∈ V → (𝑊 ↾s 𝐴) = ∅) |
| 8 | 1, 7 | eqtrid 2776 | . . . 4 ⊢ (¬ 𝐴 ∈ V → 𝑅 = ∅) |
| 9 | 8 | fveq2d 6826 | . . 3 ⊢ (¬ 𝐴 ∈ V → (Base‘𝑅) = (Base‘∅)) |
| 10 | base0 17125 | . . . 4 ⊢ ∅ = (Base‘∅) | |
| 11 | 0ss 4351 | . . . 4 ⊢ ∅ ⊆ 𝐵 | |
| 12 | 10, 11 | eqsstrri 3983 | . . 3 ⊢ (Base‘∅) ⊆ 𝐵 |
| 13 | 9, 12 | eqsstrdi 3980 | . 2 ⊢ (¬ 𝐴 ∈ V → (Base‘𝑅) ⊆ 𝐵) |
| 14 | 5, 13 | pm2.61i 182 | 1 ⊢ (Base‘𝑅) ⊆ 𝐵 |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 = wceq 1540 ∈ wcel 2109 Vcvv 3436 ∩ cin 3902 ⊆ wss 3903 ∅c0 4284 ‘cfv 6482 (class class class)co 7349 Basecbs 17120 ↾s cress 17141 |
| 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 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2701 ax-sep 5235 ax-nul 5245 ax-pow 5304 ax-pr 5371 ax-un 7671 ax-cnex 11065 ax-1cn 11067 ax-addcl 11069 |
| 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 2066 df-mo 2533 df-eu 2562 df-clab 2708 df-cleq 2721 df-clel 2803 df-nfc 2878 df-ne 2926 df-ral 3045 df-rex 3054 df-reu 3344 df-rab 3395 df-v 3438 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-pss 3923 df-nul 4285 df-if 4477 df-pw 4553 df-sn 4578 df-pr 4580 df-op 4584 df-uni 4859 df-iun 4943 df-br 5093 df-opab 5155 df-mpt 5174 df-tr 5200 df-id 5514 df-eprel 5519 df-po 5527 df-so 5528 df-fr 5572 df-we 5574 df-xp 5625 df-rel 5626 df-cnv 5627 df-co 5628 df-dm 5629 df-rn 5630 df-res 5631 df-ima 5632 df-pred 6249 df-ord 6310 df-on 6311 df-lim 6312 df-suc 6313 df-iota 6438 df-fun 6484 df-fn 6485 df-f 6486 df-f1 6487 df-fo 6488 df-f1o 6489 df-fv 6490 df-ov 7352 df-oprab 7353 df-mpo 7354 df-om 7800 df-2nd 7925 df-frecs 8214 df-wrecs 8245 df-recs 8294 df-rdg 8332 df-nn 12129 df-sets 17075 df-slot 17093 df-ndx 17105 df-base 17121 df-ress 17142 |
| This theorem is referenced by: (None) |
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