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Theorem rmoan 3132
 Description: Restricted "at most one" still holds when a conjunct is added. (Contributed by NM, 16-Jun-2017.)
Assertion
Ref Expression
rmoan

Proof of Theorem rmoan
StepHypRef Expression
1 moan 2332 . . 3
2 an12 773 . . . 4
32mobii 2317 . . 3
41, 3sylib 189 . 2
5 df-rmo 2713 . 2
6 df-rmo 2713 . 2
74, 5, 63imtr4i 258 1
 Colors of variables: wff set class Syntax hints:   wi 4   wa 359   wcel 1725  wmo 2282  wrmo 2708 This theorem is referenced by:  reuxfr2d  4746  reuxfr3d  23976 This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-3 7  ax-mp 8  ax-gen 1555  ax-5 1566  ax-17 1626  ax-9 1666  ax-8 1687  ax-6 1744  ax-7 1749  ax-11 1761  ax-12 1950 This theorem depends on definitions:  df-bi 178  df-or 360  df-an 361  df-tru 1328  df-ex 1551  df-nf 1554  df-sb 1659  df-eu 2285  df-mo 2286  df-rmo 2713
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