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Mirrors > Home > MPE Home > Th. List > Mathboxes > dmcoss2 | Structured version Visualization version GIF version |
Description: The domain of cosets is the range. (Contributed by Peter Mazsa, 27-Dec-2018.) |
Ref | Expression |
---|---|
dmcoss2 | ⊢ dom ≀ 𝑅 = ran 𝑅 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | dmcoss3 35695 | . 2 ⊢ dom ≀ 𝑅 = dom ◡𝑅 | |
2 | df-rn 5568 | . 2 ⊢ ran 𝑅 = dom ◡𝑅 | |
3 | 1, 2 | eqtr4i 2849 | 1 ⊢ dom ≀ 𝑅 = ran 𝑅 |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1537 ◡ccnv 5556 dom cdm 5557 ran crn 5558 ≀ ccoss 35455 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2795 ax-sep 5205 ax-nul 5212 ax-pr 5332 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 df-clab 2802 df-cleq 2816 df-clel 2895 df-nfc 2965 df-rab 3149 df-v 3498 df-dif 3941 df-un 3943 df-in 3945 df-ss 3954 df-nul 4294 df-if 4470 df-sn 4570 df-pr 4572 df-op 4576 df-br 5069 df-opab 5131 df-cnv 5565 df-co 5566 df-dm 5567 df-rn 5568 df-coss 35661 |
This theorem is referenced by: dm1cosscnvepres 35698 |
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