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| Mirrors > Home > MPE Home > Th. List > ressbasssOLD | Structured version Visualization version GIF version | ||
| Description: Obsolete version of ressbas 17244 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 17244 | . . 3 ⊢ (𝐴 ∈ V → (𝐴 ∩ 𝐵) = (Base‘𝑅)) |
| 4 | inss2 4180 | . . 3 ⊢ (𝐴 ∩ 𝐵) ⊆ 𝐵 | |
| 5 | 3, 4 | eqsstrrdi 3972 | . 2 ⊢ (𝐴 ∈ V → (Base‘𝑅) ⊆ 𝐵) |
| 6 | reldmress 17240 | . . . . . 6 ⊢ Rel dom ↾s | |
| 7 | 6 | ovprc2 7421 | . . . . 5 ⊢ (¬ 𝐴 ∈ V → (𝑊 ↾s 𝐴) = ∅) |
| 8 | 1, 7 | eqtrid 2799 | . . . 4 ⊢ (¬ 𝐴 ∈ V → 𝑅 = ∅) |
| 9 | 8 | fveq2d 6856 | . . 3 ⊢ (¬ 𝐴 ∈ V → (Base‘𝑅) = (Base‘∅)) |
| 10 | base0 17222 | . . . 4 ⊢ ∅ = (Base‘∅) | |
| 11 | 0ss 4344 | . . . 4 ⊢ ∅ ⊆ 𝐵 | |
| 12 | 10, 11 | eqsstrri 3974 | . . 3 ⊢ (Base‘∅) ⊆ 𝐵 |
| 13 | 9, 12 | eqsstrdi 3971 | . 2 ⊢ (¬ 𝐴 ∈ V → (Base‘𝑅) ⊆ 𝐵) |
| 14 | 5, 13 | pm2.61i 183 | 1 ⊢ (Base‘𝑅) ⊆ 𝐵 |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 = wceq 1550 ∈ wcel 2132 Vcvv 3444 ∩ cin 3894 ⊆ wss 3895 ∅c0 4276 ‘cfv 6506 (class class class)co 7381 Basecbs 17217 ↾s cress 17238 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1805 ax-4 1819 ax-5 1920 ax-6 1977 ax-7 2018 ax-8 2134 ax-9 2142 ax-10 2165 ax-11 2181 ax-12 2202 ax-ext 2724 ax-sep 5236 ax-nul 5246 ax-pow 5312 ax-pr 5380 ax-un 7703 ax-cnex 11115 ax-1cn 11117 ax-addcl 11119 |
| This theorem depends on definitions: df-bi 209 df-an 399 df-or 857 df-3or 1096 df-3an 1097 df-tru 1553 df-fal 1563 df-ex 1790 df-nf 1794 df-sb 2081 df-mo 2556 df-eu 2586 df-clab 2731 df-cleq 2744 df-clel 2827 df-nfc 2901 df-ne 2948 df-ral 3067 df-rex 3077 df-reu 3358 df-rab 3405 df-v 3446 df-sbc 3736 df-csb 3844 df-dif 3898 df-un 3900 df-in 3902 df-ss 3912 df-pss 3915 df-nul 4277 df-if 4471 df-pw 4547 df-sn 4573 df-pr 4575 df-op 4579 df-uni 4856 df-iun 4941 df-br 5091 df-opab 5153 df-mpt 5172 df-tr 5198 df-id 5531 df-eprel 5536 df-po 5544 df-so 5545 df-fr 5589 df-we 5591 df-xp 5642 df-rel 5643 df-cnv 5644 df-co 5645 df-dm 5646 df-rn 5647 df-res 5648 df-ima 5649 df-pred 6273 df-ord 6334 df-on 6335 df-lim 6336 df-suc 6337 df-iota 6462 df-fun 6508 df-fn 6509 df-f 6510 df-f1 6511 df-fo 6512 df-f1o 6513 df-fv 6514 df-ov 7384 df-oprab 7385 df-mpo 7386 df-om 7832 df-2nd 7956 df-frecs 8246 df-wrecs 8277 df-recs 8326 df-rdg 8365 df-nn 12197 df-sets 17172 df-slot 17190 df-ndx 17202 df-base 17218 df-ress 17239 |
| This theorem is referenced by: (None) |
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