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| Mirrors > Home > MPE Home > Th. List > Mathboxes > imanonrel | Structured version Visualization version GIF version | ||
| Description: An image under the non-relation part of a class is empty. (Contributed by RP, 22-Oct-2020.) |
| Ref | Expression |
|---|---|
| imanonrel | ⊢ ((𝐴 ∖ ◡◡𝐴) “ 𝐵) = ∅ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-ima 5678 | . 2 ⊢ ((𝐴 ∖ ◡◡𝐴) “ 𝐵) = ran ((𝐴 ∖ ◡◡𝐴) ↾ 𝐵) | |
| 2 | resnonrel 43543 | . . 3 ⊢ ((𝐴 ∖ ◡◡𝐴) ↾ 𝐵) = ∅ | |
| 3 | 2 | rneqi 5928 | . 2 ⊢ ran ((𝐴 ∖ ◡◡𝐴) ↾ 𝐵) = ran ∅ |
| 4 | rn0 5916 | . 2 ⊢ ran ∅ = ∅ | |
| 5 | 1, 3, 4 | 3eqtri 2761 | 1 ⊢ ((𝐴 ∖ ◡◡𝐴) “ 𝐵) = ∅ |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1539 ∖ cdif 3928 ∅c0 4313 ◡ccnv 5664 ran crn 5666 ↾ cres 5667 “ cima 5668 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1794 ax-4 1808 ax-5 1909 ax-6 1966 ax-7 2006 ax-8 2109 ax-9 2117 ax-10 2140 ax-11 2156 ax-12 2176 ax-ext 2706 ax-sep 5276 ax-nul 5286 ax-pr 5412 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1779 df-nf 1783 df-sb 2064 df-clab 2713 df-cleq 2726 df-clel 2808 df-rab 3420 df-v 3465 df-dif 3934 df-un 3936 df-in 3938 df-ss 3948 df-nul 4314 df-if 4506 df-sn 4607 df-pr 4609 df-op 4613 df-br 5124 df-opab 5186 df-xp 5671 df-rel 5672 df-cnv 5673 df-dm 5675 df-rn 5676 df-res 5677 df-ima 5678 |
| This theorem is referenced by: (None) |
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