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Mirrors > Home > ILE Home > Th. List > rmo5 | Unicode version |
Description: Restricted "at most one" in term of uniqueness. (Contributed by NM, 16-Jun-2017.) |
Ref | Expression |
---|---|
rmo5 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-mo 2023 | . 2 | |
2 | df-rmo 2456 | . 2 | |
3 | df-rex 2454 | . . 3 | |
4 | df-reu 2455 | . . 3 | |
5 | 3, 4 | imbi12i 238 | . 2 |
6 | 1, 2, 5 | 3bitr4i 211 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wb 104 wex 1485 weu 2019 wmo 2020 wcel 2141 wrex 2449 wreu 2450 wrmo 2451 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 |
This theorem depends on definitions: df-bi 116 df-mo 2023 df-rex 2454 df-reu 2455 df-rmo 2456 |
This theorem is referenced by: nrexrmo 2686 cbvrmo 2695 bdrmo 13813 |
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