Description: Part of proof of Lemma E in Crawley p. 113. Show that f(x) is one-to-one outside of P .\/ Q line case; compare cdleme32sn2awN . TODO: FIX COMMENT. (Contributed by NM, 18-Mar-2013)
Ref | Expression | ||
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Hypotheses | cdleme32s.b | |
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cdleme32s.l | |
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cdleme32s.j | |
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cdleme32s.m | |
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cdleme32s.a | |
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cdleme32s.h | |
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cdleme32s.u | |
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cdleme32s.d | |
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cdleme32s.n | |
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Assertion | cdleme35sn2aw | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cdleme32s.b | |
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2 | cdleme32s.l | |
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3 | cdleme32s.j | |
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4 | cdleme32s.m | |
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5 | cdleme32s.a | |
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6 | cdleme32s.h | |
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7 | cdleme32s.u | |
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8 | cdleme32s.d | |
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9 | cdleme32s.n | |
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10 | eqid | |
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11 | eqid | |
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12 | 2 3 4 5 6 7 10 11 | cdleme35h2 | |
13 | simp22l | |
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14 | simp31 | |
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15 | 8 9 10 | cdleme31sn2 | |
16 | 13 14 15 | syl2anc | |
17 | simp23l | |
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18 | simp32 | |
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19 | 8 9 11 | cdleme31sn2 | |
20 | 17 18 19 | syl2anc | |
21 | 12 16 20 | 3netr4d | |