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Mirrors > Home > MPE Home > Th. List > ordwe | Structured version Visualization version GIF version |
Description: Membership well-orders every ordinal. Proposition 7.4 of [TakeutiZaring] p. 36. (Contributed by NM, 3-Apr-1994.) |
Ref | Expression |
---|---|
ordwe | ⊢ (Ord 𝐴 → E We 𝐴) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-ord 6189 | . 2 ⊢ (Ord 𝐴 ↔ (Tr 𝐴 ∧ E We 𝐴)) | |
2 | 1 | simprbi 499 | 1 ⊢ (Ord 𝐴 → E We 𝐴) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 Tr wtr 5165 E cep 5459 We wwe 5508 Ord word 6185 |
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 209 df-an 399 df-ord 6189 |
This theorem is referenced by: ordfr 6201 trssord 6203 tz7.5 6207 ordelord 6208 tz7.7 6212 oieu 8997 oiid 8999 hartogslem1 9000 oemapso 9139 cantnf 9150 oemapwe 9151 dfac8b 9451 fin23lem27 9744 om2uzoi 13317 ltweuz 13323 wepwso 39636 onfrALTlem3 40871 onfrALTlem3VD 41214 |
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