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| Mirrors > Home > MPE Home > Th. List > Mathboxes > brrange | Structured version Visualization version GIF version | ||
| Description: Binary relation form of the range function. (Contributed by Scott Fenton, 11-Apr-2014.) (Revised by Mario Carneiro, 19-Apr-2014.) |
| Ref | Expression |
|---|---|
| brdomain.1 | ⊢ 𝐴 ∈ V |
| brdomain.2 | ⊢ 𝐵 ∈ V |
| Ref | Expression |
|---|---|
| brrange | ⊢ (𝐴Range𝐵 ↔ 𝐵 = ran 𝐴) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | brdomain.1 | . . 3 ⊢ 𝐴 ∈ V | |
| 2 | brdomain.2 | . . 3 ⊢ 𝐵 ∈ V | |
| 3 | 1, 2 | brimage 36511 | . 2 ⊢ (𝐴Image(2nd ↾ (V × V))𝐵 ↔ 𝐵 = ((2nd ↾ (V × V)) “ 𝐴)) |
| 4 | df-range 36453 | . . 3 ⊢ Range = Image(2nd ↾ (V × V)) | |
| 5 | 4 | breqi 5113 | . 2 ⊢ (𝐴Range𝐵 ↔ 𝐴Image(2nd ↾ (V × V))𝐵) |
| 6 | dfrn5 36361 | . . 3 ⊢ ran 𝐴 = ((2nd ↾ (V × V)) “ 𝐴) | |
| 7 | 6 | eqeq2i 2775 | . 2 ⊢ (𝐵 = ran 𝐴 ↔ 𝐵 = ((2nd ↾ (V × V)) “ 𝐴)) |
| 8 | 3, 5, 7 | 3bitr4i 306 | 1 ⊢ (𝐴Range𝐵 ↔ 𝐵 = ran 𝐴) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ↔ wb 209 = wceq 1570 ∈ wcel 2145 Vcvv 3453 class class class wbr 5107 × cxp 5657 ran crn 5660 ↾ cres 5661 “ cima 5662 2nd c2nd 7989 Imagecimage 36425 Rangecrange 36429 |
| 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-sep 5255 ax-nul 5267 ax-pr 5402 ax-un 7740 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 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-ral 3079 df-rex 3089 df-rab 3415 df-v 3455 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-symdif 4202 df-nul 4283 df-if 4486 df-sn 4588 df-pr 4590 df-op 4594 df-uni 4871 df-br 5108 df-opab 5172 df-mpt 5191 df-id 5554 df-eprel 5559 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-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-fo 6543 df-fv 6545 df-1st 7990 df-2nd 7991 df-txp 36439 df-image 36449 df-range 36453 |
| This theorem is used by: brrangeg 36521 brrestrict 36536 |
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