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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 5651 | . 2 ⊢ ((𝐴 ∖ ◡◡𝐴) “ 𝐵) = ran ((𝐴 ∖ ◡◡𝐴) ↾ 𝐵) | |
| 2 | resnonrel 43581 | . . 3 ⊢ ((𝐴 ∖ ◡◡𝐴) ↾ 𝐵) = ∅ | |
| 3 | 2 | rneqi 5901 | . 2 ⊢ ran ((𝐴 ∖ ◡◡𝐴) ↾ 𝐵) = ran ∅ |
| 4 | rn0 5889 | . 2 ⊢ ran ∅ = ∅ | |
| 5 | 1, 3, 4 | 3eqtri 2756 | 1 ⊢ ((𝐴 ∖ ◡◡𝐴) “ 𝐵) = ∅ |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1540 ∖ cdif 3911 ∅c0 4296 ◡ccnv 5637 ran crn 5639 ↾ cres 5640 “ cima 5641 |
| 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 5251 ax-nul 5261 ax-pr 5387 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-clab 2708 df-cleq 2721 df-clel 2803 df-rab 3406 df-v 3449 df-dif 3917 df-un 3919 df-in 3921 df-ss 3931 df-nul 4297 df-if 4489 df-sn 4590 df-pr 4592 df-op 4596 df-br 5108 df-opab 5170 df-xp 5644 df-rel 5645 df-cnv 5646 df-dm 5648 df-rn 5649 df-res 5650 df-ima 5651 |
| This theorem is referenced by: (None) |
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