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Mirrors > Home > MPE Home > Th. List > Mathboxes > 2reurex | Structured version Visualization version Unicode version |
Description: Double restricted quantification with existential uniqueness, analogous to 2euex 2544. (Contributed by Alexander van der Vekens, 24-Jun-2017.) |
Ref | Expression |
---|---|
2reurex |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | reu5 3159 | . 2 | |
2 | rexcom 3099 | . . . 4 | |
3 | nfcv 2764 | . . . . . 6 | |
4 | nfre1 3005 | . . . . . 6 | |
5 | 3, 4 | nfrmo 3115 | . . . . 5 |
6 | rspe 3003 | . . . . . . . . . . 11 | |
7 | 6 | ex 450 | . . . . . . . . . 10 |
8 | 7 | ralrimivw 2967 | . . . . . . . . 9 |
9 | rmoim 3407 | . . . . . . . . 9 | |
10 | 8, 9 | syl 17 | . . . . . . . 8 |
11 | 10 | impcom 446 | . . . . . . 7 |
12 | rmo5 3162 | . . . . . . 7 | |
13 | 11, 12 | sylib 208 | . . . . . 6 |
14 | 13 | ex 450 | . . . . 5 |
15 | 5, 14 | reximdai 3012 | . . . 4 |
16 | 2, 15 | syl5bi 232 | . . 3 |
17 | 16 | impcom 446 | . 2 |
18 | 1, 17 | sylbi 207 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wa 384 wcel 1990 wral 2912 wrex 2913 wreu 2914 wrmo 2915 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ral 2917 df-rex 2918 df-reu 2919 df-rmo 2920 |
This theorem is referenced by: 2rexreu 41185 |
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