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Mirrors > Home > MPE Home > Th. List > orim1i | Structured version Visualization version Unicode version |
Description: Introduce disjunct to both sides of an implication. (Contributed by NM, 6-Jun-1994.) |
Ref | Expression |
---|---|
orim1i.1 |
Ref | Expression |
---|---|
orim1i |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | orim1i.1 | . 2 | |
2 | id 22 | . 2 | |
3 | 1, 2 | orim12i 538 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wo 383 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
This theorem depends on definitions: df-bi 197 df-or 385 |
This theorem is referenced by: nfntOLDOLD 1783 19.34 1901 r19.45v 3095 nnm1nn0 11334 elfzo0l 12558 xrge0iifhom 29983 bj-andnotim 32573 orfa2 33887 expdioph 37590 ifpimim 37854 |
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