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Mirrors > Home > MPE Home > Th. List > rnresv | Structured version Visualization version GIF version |
Description: The range of a universal restriction. (Contributed by NM, 14-May-2008.) |
Ref | Expression |
---|---|
rnresv | ⊢ ran (𝐴 ↾ V) = ran 𝐴 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cnvcnv2 5843 | . . 3 ⊢ ◡◡𝐴 = (𝐴 ↾ V) | |
2 | 1 | rneqi 5599 | . 2 ⊢ ran ◡◡𝐴 = ran (𝐴 ↾ V) |
3 | rncnvcnv 5596 | . 2 ⊢ ran ◡◡𝐴 = ran 𝐴 | |
4 | 2, 3 | eqtr3i 2804 | 1 ⊢ ran (𝐴 ↾ V) = ran 𝐴 |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1601 Vcvv 3398 ◡ccnv 5356 ran crn 5358 ↾ cres 5359 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1839 ax-4 1853 ax-5 1953 ax-6 2021 ax-7 2055 ax-9 2116 ax-10 2135 ax-11 2150 ax-12 2163 ax-13 2334 ax-ext 2754 ax-sep 5019 ax-nul 5027 ax-pr 5140 |
This theorem depends on definitions: df-bi 199 df-an 387 df-or 837 df-3an 1073 df-tru 1605 df-ex 1824 df-nf 1828 df-sb 2012 df-mo 2551 df-eu 2587 df-clab 2764 df-cleq 2770 df-clel 2774 df-nfc 2921 df-ral 3095 df-rab 3099 df-v 3400 df-dif 3795 df-un 3797 df-in 3799 df-ss 3806 df-nul 4142 df-if 4308 df-sn 4399 df-pr 4401 df-op 4405 df-br 4889 df-opab 4951 df-xp 5363 df-rel 5364 df-cnv 5365 df-dm 5367 df-rn 5368 df-res 5369 |
This theorem is referenced by: dfrn4 5851 |
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